FinWiz

Trading Glossary

548+ trading and stock market terms defined. Click any linked term to read the full guide.

A

A/D Line
Accumulation/Distribution Line. A volume-based indicator that measures cumulative money flow into and out of a security.
ABCD
The ABCD pattern is the simplest harmonic pattern and the building block for more complex setups. Learn how to measure, identify, and trade it step by step.
ABCD Pattern
The ABCD is a four-point momentum pattern: initial move, pullback, and continuation. Learn the rules for this bread-and-butter day trade.
Accumulation
A phase where institutional investors gradually buy shares, often seen as increasing volume on up days while the price consolidates.
Accumulation & Distribution Phases
Institutions accumulate shares before a rally and distribute before a decline. Learn to read the signs.
Accumulation/Distribution Line
The Accumulation/Distribution line measures cumulative money flow to reveal whether smart money is buying or selling. Learn to read and trade with it.
ADR
American Depositary Receipt. A certificate representing shares of a foreign company traded on U.S. exchanges.
ADR Stocks
ADRs let you trade foreign companies on US exchanges in US dollars. Learn how they work, the different levels, currency risk, and tax implications.
ADX
Average Directional Index. A trend strength indicator that measures how strong a trend is regardless of direction.
After-Hours Trading
After-hours trading runs from 4pm to 8pm ET with lower liquidity. Learn the mechanics, risks, and how earnings releases drive after-hours moves.
Algorithmic Trading for Beginners
Algorithmic trading uses code to execute strategies automatically. Learn the basics, popular algo strategies, and how to get started with your first bot.
Alternative Minimum Tax (AMT)
The AMT can catch investors off guard, especially with incentive stock options. Learn how it works, who is at risk, and strategies to minimize exposure.
Analysis Paralysis
Too many indicators and too much analysis can freeze you. Learn to simplify your charts and commit to trading decisions.
Anchoring Bias in Trading
You bought at $50 so you won't sell at $45 — even when the chart says sell. That's anchoring bias at work.
Arbitrage
Exploiting price differences of the same asset across markets for risk-free profit.
Aroon Indicator
The Aroon indicator uses Aroon Up and Aroon Down lines to identify whether a trend is forming, continuing, or fading. Learn to interpret its signals.
Ascending Triangle
The ascending triangle is a bullish pattern that forms when price makes higher lows against a flat resistance level. Learn to trade the breakout.
Ask Price
The lowest price a seller is willing to accept for a security. Also known as the offer price.
Asset Allocation
Asset allocation — how you split money among stocks, bonds, and cash — drives 90% of your portfolio's returns over time.
Assets? Types, Examples & Why They Matter
Assets are resources with economic value. Learn the different types — stocks, bonds, real estate, commodities — and how they work together in a portfolio.
At-the-Money (ATM)
An option whose strike price is equal to or very close to the current market price of the underlying security.
ATR
Average True Range. A volatility indicator measuring the average range of price bars over a specified period.
ATR (Average True Range)
ATR measures market volatility and helps you set better stop losses. Learn how to use ATR for position sizing and volatility-adjusted trading.
Average Stock Market Return
The stock market has averaged about 10% per year historically. Learn the data behind that number and what it means for your portfolio.
Awesome Oscillator
The Awesome Oscillator uses two moving averages of bar midpoints to confirm trend momentum. Learn to read the histogram.

B

Backtesting
Before risking real money, test your strategy on historical data. Backtesting shows what would have happened.
Bear Flag
The bear flag is the inverse of the bull flag — a sharp decline, a weak bounce, then another leg down.
Bear Market
A market condition where prices decline 20% or more from recent highs, typically accompanied by widespread pessimism and negative sentiment.
Bear Put Spread
The bear put spread lets you profit from downside with limited risk. Learn how to construct it, calculate P&L, and pick the right strikes.
Bear Trap
A false signal that suggests a stock's price will decline, trapping short sellers when the price reverses upward.
Best Indicators for Swing Trading
The right indicators make swing trading easier. Learn how to combine RSI, MACD, moving averages, and volume for better swing trade entries and exits.
Best Options Trading Platforms
Choosing the right options platform matters. We compare commissions, tools, execution quality, and analysis features across the top options brokers.
Best Options Trading Simulators
Practice options trading without risking real money. We compare the best options simulators and paper trading platforms so you can learn by doing.
Best Stocks for Beginners
Not all stocks are good for beginners. Learn what to look for — liquidity, stability, and manageable volatility.
Best Stocks for Day Trading
Not every stock is suited for day trading. Learn the key criteria — volume, float, volatility, and catalysts — that make a stock ideal for intraday trades.
Best Stocks for Swing Trading
The best swing trading stocks have strong trends, good liquidity, and clean chart patterns. Learn what to look for and how to build your watchlist.
Best Trading Platforms for Beginners
Choosing the right trading platform as a beginner makes a big difference. We compare the top picks by usability, features, fees, and education.
Beta
A measure of a stock's volatility relative to the overall market. A beta above 1 means more volatile than the market.
Bid & Ask Price
Every stock has a bid price and ask price. The gap between them — the spread — is a cost you pay on every trade.
Bid Price
The highest price a buyer is willing to pay for a security. Combined with the ask price, it forms the bid-ask spread.
Bid-Ask Spread
The bid-ask spread is the difference between buy and sell prices. Learn how it reflects liquidity and how it impacts your trading costs.
Biotech Stocks
Biotech stocks move on FDA decisions, trial data, and pipeline catalysts — not earnings like most sectors.
Black Swan Events
Black swans are rare, unpredictable events with massive market impact. You can't predict them — but you can prepare.
Blue Chip Stocks
Large, well-established companies with a history of reliable performance, stable earnings, and often dividends.
Blue Chip vs Growth vs Value Stocks
Blue chip, growth, and value stocks serve different roles. Learn the characteristics of each style and how to allocate based on your goals and risk tolerance.
Bollinger Bands
Bollinger Bands measure volatility and identify overbought/oversold conditions. Learn to trade squeezes, breakouts, and mean reversion setups.
Bonds
Bonds are loans you make to governments or companies in exchange for interest payments. Learn bond basics, types, and how they fit in a portfolio.
Book Value
The net asset value of a company calculated as total assets minus total liabilities. Used in fundamental analysis.
Bracket Order
An order type that simultaneously places a profit target and stop-loss order around a new position.
Bracket Orders
Bracket orders combine entry, stop loss, and profit target into a single order group. Learn to automate your trade management with this powerful tool.
Breakout
When price moves above a resistance level or below a support level with increased volume, signaling potential continuation in that direction.
Breakout Trading
Breakout trading catches big moves when price breaks through key levels. Learn entry strategies, volume confirmation, and false breakout avoidance.
Breakout-Pullback Strategy
Wait for the breakout, then buy the pullback. This two-step approach gives better entries with less risk.
Brokerage Account? How to Open One & Start Trading
A brokerage account is your gateway to trading and investing. Learn the types, how to open one, and what to look for when choosing a broker.
Building & Managing a Stock Portfolio
Starting with one stock and growing to 20 positions requires a plan. Here's how to build and manage your portfolio.
Bull Call Spread
The bull call spread limits your risk while profiting from upside moves. Learn how to set it up, calculate max profit/loss, and choose strikes.
Bull Flag
The bull flag is a favorite pattern among momentum traders. Learn how to spot the flag formation after a strong move and trade the breakout continuation.
Bull Market
A market condition characterized by rising prices, typically 20% or more from recent lows, accompanied by optimism and strong investor confidence.
Bull Put Spread
The bull put spread collects premium while defining your risk. Profit when the stock stays above your short strike.
Bull Trap
A false signal suggesting a declining stock is reversing upward, trapping buyers when the price continues lower.
Bull vs Bear Market
Bull and bear markets require different strategies. Learn the key differences, how to identify which one you are in, and how to adapt your trading.
Bullish & Bearish Divergence
Divergence between price and indicators signals weakening trends. Learn to spot bullish and bearish divergence for early reversal warnings.
Butterfly Spread
The butterfly spread offers a low-cost way to profit from range-bound markets. Learn the mechanics, variations, and when this defined-risk strategy shines.
Buy Stop Order
A buy stop triggers a purchase when price reaches a level above the current price. Learn how to use it for breakout entries.
Buy to Cover
Buy to cover closes a short position by buying back borrowed shares. Learn the mechanics and when short sellers cover.
Buy to Open, Sell to Close
Options have four order types: buy to open, sell to close, sell to open, buy to close. Here's what each one does.
Buying Calls
Buying calls is the simplest bullish options trade. Learn when to buy, which strike and expiration to choose, and how to manage risk.

C

CAGR
Compound Annual Growth Rate. The annualized average rate of return for an investment over a specified period.
Calendar Spread
Calendar spreads profit from the faster time decay of short-term options versus long-term ones. Learn this versatile strategy for range-bound markets.
Call Options
A call option gives you the right to buy a stock at a set price. Learn how calls work, when to buy them, and how to calculate your potential profit.
Candlestick Anatomy
A candlestick's body shows the open-close range. The wicks show the high-low extremes. Learn to read both.
Candlestick Cheat Sheet
Save this candlestick cheat sheet for quick reference. All 35 major patterns organized by type — bullish reversal, bearish reversal, and continuation.
Candlestick Patterns
Master the most important candlestick patterns used by professional traders to spot reversals, continuations, and key turning points on any chart.
CANSLIM
CANSLIM screens stocks using 7 criteria — from earnings growth to institutional sponsorship. Learn each factor and how to apply it.
Cash-Secured Puts
Sell a put, collect premium, and buy the stock only if it drops to your price. If it doesn't, you keep the premium.
CCI
Commodity Channel Index. A momentum oscillator used to identify cyclical trends and overbought/oversold conditions.
CDO
Collateralized Debt Obligation. A structured financial product that bundles debt into tranches.
CDOs
CDOs package debt into slices ranked by risk. Learn how they work, why they triggered the 2008 financial crisis, and their legacy.
Central Banks
The Fed and other central banks set interest rates and control money supply. Learn how their decisions move every market.
Chaikin Money Flow (CMF)
Chaikin Money Flow measures the volume-weighted buying and selling pressure over a period. Learn how to use CMF to confirm trends and find entries.
Channel Trading
Price channels are parallel trend lines that contain price movement. Buy at the bottom, sell at the top — until the channel breaks.
Chart Timeframes
Choosing the right chart timeframe is essential for your trading style. Learn the pros and cons of each timeframe from 1-minute to monthly charts.
Circuit Breaker
A regulatory mechanism that temporarily halts trading when a stock or market index moves beyond a threshold.
Circuit Breakers & Halts
Circuit breakers halt the entire market during extreme drops. LULD halts individual stocks. Here's how the rules work.
CMF
Chaikin Money Flow. A volume-weighted indicator measuring buying and selling pressure over a specified period.
Collar Strategy
A collar wraps your stock position with a protective put and covered call. It limits both downside and upside — often for zero net cost.
Compound Interest
Compound interest makes your money grow exponentially over time. Learn the formula, see real examples, and understand why starting early matters so much.
Confirmation Bias in Trading
Confirmation bias makes you see only what supports your trade thesis. Learn how it distorts your analysis and practical techniques to counteract it.
Consolidation
A period where price trades in a narrow range, indicating indecision before the next directional move.
Consumer Staples
Consumer staples sell essentials people buy in any economy. Learn why this sector is defensive and how traders use it.
Contrarian Investing
When everyone is selling, contrarians are buying. Going against the crowd requires discipline — but the data backs it up.
Cost Basis
The original value of an asset for tax purposes, used to calculate capital gains or losses when the asset is sold.
Covered Calls
Covered calls let you earn premium income by selling calls against stocks you own. Learn strike selection, timing, and how to manage the position.
Credit Spread
An options strategy where you sell a higher-premium option and buy a lower-premium option, collecting a net credit.
Credit Spreads
Credit spreads let you collect premium upfront with defined risk. Learn bull put spreads and bear call spreads for consistent income generation.
Crypto Taxes
The IRS taxes crypto as property. Every trade is taxable — even swapping one crypto for another. Here are the rules.
Cup & Handle
The cup and handle is a powerful bullish continuation pattern. Learn how to spot the formation, time your entry on the breakout, and manage the trade.
Current Ratio
A liquidity ratio measuring a company's ability to pay short-term obligations, calculated as current assets divided by current liabilities.
Custodial Account (UGMA/UTMA)
Custodial accounts let adults invest for minors under UGMA or UTMA rules. Learn how they work and the tax implications.

D

Dark Pool
A private exchange where institutional investors trade large blocks of shares anonymously, away from public markets.
Dark Pool Trading
Dark pool data reveals what institutions are doing. Learn to read dark pool prints, short volume, and block trade signals.
Dark Pools
Dark pools are private exchanges for large institutional trades. Learn how they work, why they exist, and how dark pool data can inform your trading.
Day Trader Salary
Most day traders lose money. The profitable ones earn widely varying amounts. Learn what realistic income expectations look like.
Day Trading
Day trading means buying and selling stocks within the same day. Learn the basics, rules, capital requirements, and what it takes to get started.
Day Trading for Beginners
New to day trading? Follow this step-by-step roadmap covering everything from choosing a broker to developing your first strategy and going live.
Day Trading on Robinhood
Robinhood is popular but has limitations for day traders. Learn the PDT rules, settlement times, and whether it is the right platform for active trading.
Day Trading on Webull
Webull offers commission-free trading with extended hours and paper trading. Learn its features, day trading rules, and how it stacks up against competitors.
Day Trading Penny Stocks
Penny stocks can move 50% in a day — up or down. Here's how to find setups, manage risk, and avoid the traps.
Day Trading Rules
The PDT rule requires $25,000 minimum equity for frequent day traders. Learn the rules, margin requirements, and strategies for smaller accounts.
Day Trading Setup
Your trading setup matters. Learn what hardware, software, monitors, and workspace setup professional day traders use for maximum efficiency.
Day Trading Strategies
Learn 7 proven day trading strategies used by professional traders. Each strategy includes clear entry rules, stop placement, and profit targets.
Day Trading Taxes
Day traders face unique tax challenges including high short-term rates and wash sale traps. Learn how active traders are taxed and how to optimize.
DCF
Discounted Cash Flow. A valuation method estimating the present value of future cash flows to determine intrinsic value.
DCF (Discounted Cash Flow)
DCF analysis estimates a stock intrinsic value using future cash flows. Learn the step-by-step process of building a discounted cash flow model.
Dead Cat Bounce
A temporary recovery in the price of a declining stock, followed by a continuation of the downtrend.
Death Cross
A bearish signal occurring when a short-term moving average (typically 50-day) crosses below a long-term moving average (200-day).
Debit Spread
An options strategy where you pay a net debit to enter, buying a more expensive option and selling a cheaper one.
Debit Spreads
Debit spreads let you make directional bets with a defined maximum loss. Learn when to use call and put debit spreads and how to select strikes.
Debt-to-Equity Ratio
A leverage ratio comparing a company's total debt to shareholder equity, indicating how much debt is used to finance assets.
Descending Triangle
The descending triangle signals bearish pressure with lower highs pressing into flat support. Learn how to trade the breakdown with proper risk management.
Diagonal Spread
Diagonal spreads combine different strikes and expirations for directional trades with a time decay edge. Learn how to structure and manage them.
Diluted Shares & Diluted EPS
Diluted share count includes stock options, warrants, and convertibles. Diluted EPS gives the conservative view.
Direct Access Brokers
Direct access brokers skip the middleman and route orders straight to exchanges. Learn why speed matters and who needs one.
Direct Listing vs IPO
Direct listings let companies go public without underwriters or new share issuance. Compare this approach to traditional IPOs and what it means for you.
Distribution
A phase where institutional investors gradually sell shares, often on high volume while prices consolidate or decline.
Divergence
When price makes a new high or low that is not confirmed by a technical indicator, suggesting a potential trend reversal.
Dividend
A portion of a company's earnings distributed to shareholders, typically on a quarterly basis.
Dividend Capture Strategy
Buy before ex-date, collect dividend, sell. Sounds easy — but the stock drops by the dividend amount. Here's the math.
Dividend Payout Ratio
A 90% payout ratio is a red flag. A 30% ratio means room to grow. Learn what the payout ratio reveals.
Dividend Reinvestment (DRIP)
DRIPs automatically reinvest dividends into more shares. Over decades, the compounding effect is massive.
Dividend Stocks
Not all dividend stocks are created equal. Learn what separates sustainable payers from yield traps.
Dividend Tax Rates
Not all dividends are taxed the same. Learn the difference between qualified and ordinary dividends, the tax rates for each, and how to keep more income.
Dividend Yield
The annual dividend payment divided by the stock price, expressed as a percentage.
Dividends
Dividends are cash payments companies make to shareholders. Learn how they work, when you get paid, and what to look for.
Dividends Per Share (DPS)
DPS tells you exactly how much cash each share earns in dividends. Here's the formula and how to use it.
Doji Candle
The doji candlestick signals market indecision and potential reversals. Learn to identify all doji variations and use them in your trading strategy.
Dollar vs Percentage Returns
A 10% gain on $1,000 is $100. On $100,000 it is $10,000. Learn why both perspectives matter for trading decisions.
Dollar-Cost Averaging
An investment strategy of regularly investing a fixed dollar amount regardless of price, reducing the impact of volatility.
Donchian Channel
A trend-following indicator that plots the highest high and lowest low over a specified period to identify breakouts.
Double Top & Double Bottom
Double tops and double bottoms are classic reversal patterns that signal a trend change. Learn how to identify them and trade them with confidence.
Dow Theory
Dow Theory laid the groundwork for all technical analysis. Learn the six tenets and why they still matter today.
Downtrend
A series of lower highs and lower lows, indicating that sellers are in control and prices are generally declining.
Dragonfly Doji
The dragonfly doji signals rejection at the lows. Sellers pushed hard but buyers drove price back to the open.
DRIP
Dividend Reinvestment Plan. A program that automatically reinvests dividends into additional shares of the paying stock.

E

Earnings Reports
Earnings reports create the biggest single-day moves. Learn how to prepare for earnings, interpret results, and trade the reaction profitably.
Earnings Season Trading
Earnings season creates the biggest stock moves of the quarter. Learn strategies for before, during, and after the report.
EBITDA
Earnings Before Interest, Taxes, Depreciation, and Amortization. A measure of operating performance excluding non-cash charges.
Efficient Market Hypothesis
The EMH claims stock prices already reflect all known information. Learn the three forms and why active traders disagree.
Elder Ray Index
The Elder Ray Index separates buying and selling pressure into Bull Power and Bear Power histograms. Learn how to use them for trend and reversal analysis.
Elliott Wave
A technical analysis theory proposing that markets move in predictable wave patterns driven by investor psychology.
EMA
Exponential Moving Average. A moving average giving more weight to recent prices, making it more responsive to new data.
Emerging Markets
Emerging markets offer faster growth but higher risk. Learn what defines them and how to get exposure through ETFs and stocks.
EMH
Efficient Market Hypothesis. The theory that stock prices reflect all available information.
Engulfing Pattern
Engulfing patterns are among the strongest two-candle reversal signals. Learn to spot bullish and bearish engulfing setups and trade them profitably.
Enterprise Value
A measure of a company's total value including market cap, debt, and cash. Used in valuation ratios like EV/EBITDA.
Entry & Exit Points
Good entries and exits make or break a trade. Learn the signals and techniques for timing both.
Entry Point
The price at which a trader opens a position. Good entries are based on strategy rules, not emotions or FOMO.
EPS
Earnings Per Share. A company's net profit divided by outstanding shares, a key metric for evaluating profitability.
EPS (Earnings Per Share)
EPS shows how much profit a company earns per share. Learn the formula, basic vs diluted EPS, and how earnings per share drives stock prices.
Equities
Equities are ownership shares in a company. Learn what they are, how equity markets work, and why stocks are called equities.
Equity Markets
Equity markets are the exchanges and systems where stocks are bought and sold.
Equity? Equity in Stocks, Business & Real Estate
Equity means ownership value after debts. Learn what equity means for stocks, businesses, and real estate, and why it is a cornerstone of investing.
ESG
Environmental, Social, and Governance. Criteria used to evaluate a company's ethical and sustainability practices.
ESG Investing
ESG investing considers environmental, social, and governance factors alongside financial returns. Learn how to build a responsible portfolio that performs.
Estimated Tax Payments
Active traders must pay estimated taxes quarterly. Learn the deadlines, how to calculate payments, and how to avoid penalties.
ETF
Exchange-Traded Fund. A pooled investment that trades on an exchange like a stock, holding a basket of assets like an index fund.
ETF vs Mutual Fund
ETFs and mutual funds both offer diversification, but they differ in trading, fees, and tax efficiency.
ETF vs Stock
One share of an ETF can hold hundreds of stocks. Here's when to pick ETFs over individual stocks.
ETFs
ETFs combine the diversification of mutual funds with the tradability of stocks. Here's how they work.
Ex-Dividend Date
The date on which a stock begins trading without the value of its next dividend payment. Buyers after this date do not receive the dividend.
Extended Hours Trading
You can trade before the bell and after the close — but liquidity is thin and spreads are wide. Here's what to know.

F

Face Value & Par Value
Face value is what a bondholder receives at maturity. Most bonds have a par value of $1,000.
Fear and Greed in Trading
Fear and greed are the two primary forces driving markets. Learn how to recognize when these emotions are influencing your trades and the broader market.
Fed Tapering
Tapering means the Fed is slowing its bond purchases. Learn why it matters and how markets typically react.
Fiat Currency
Fiat currency is money backed by government trust, not gold. Learn how it works, why inflation matters, and what it means for investors.
Fibonacci Retracement
Fibonacci retracement levels help traders identify pullback zones and potential reversal areas. Learn to draw and trade with Fib levels like a pro.
Fiduciary
A person or entity legally required to act in another's best interest.
Fill
The completion of an order to buy or sell a security. A fill price is the price at which the order was executed.
Flash Crash
A sudden, severe market drop that recovers within minutes, often caused by algorithmic trading.
Float
The number of shares available for public trading. Low float stocks tend to be more volatile due to limited supply.
FOMO
Fear of Missing Out. The anxiety that drives traders to chase stocks after they've already made large moves, often leading to buying at the top.
Force Index
The Force Index multiplies price change by volume to quantify the strength behind moves. Learn how to use it for trend confirmation and divergence signals.
Forward P/E Ratio
Forward P/E uses analyst estimates of next year's earnings. Learn when it is more useful than trailing P/E and its pitfalls.
Fractional Shares
Partial shares that let you invest any dollar amount in expensive stocks.
Free Cash Flow
Cash generated by operations minus capital expenditures. Indicates how much cash a company has for dividends, buybacks, or growth.
Futures
Contracts obligating buyer and seller to transact at a set price on a future date.
Futures Contracts
Futures contracts obligate both parties to transact at a set price on a future date. Learn the mechanics and how they compare to options.
Futures Trading
Futures let you trade commodities and indexes with leverage. Learn the margin requirements, contract specifications, and trading mechanics.
Futures vs Options
Futures and options are both derivatives, but they work very differently. Learn the key distinctions in risk, margin, leverage, and use cases.

G

Gamma Squeeze
A gamma squeeze forces market makers to buy more stock as prices rise, creating an accelerating feedback loop.
Gap and Go Strategy
The gap and go strategy targets stocks gapping up at the open with momentum. Learn how to scan for gappers, set entries, and manage risk intraday.
Gap Trading
Stock gaps create opportunities for fast profits. Learn the four types of gaps, which ones fill and which run, and strategies for trading each type.
Golden Cross
A bullish signal where a short-term moving average (typically 50-day) crosses above a long-term moving average (200-day).
Gravestone Doji
The gravestone doji signals rejection at the highs. Buyers failed to hold gains and sellers took control.
Gross Margin
Revenue minus cost of goods sold, divided by revenue. Shows the percentage of revenue retained after direct production costs.
Growth Investing
Growth investing targets companies growing faster than the market. Learn the strategy, the metrics, and the risks of high valuations.
GTC Order
Good-Till-Cancelled. An order that remains active until it is either filled or explicitly cancelled by the trader.
GTC Orders
GTC orders remain open until filled or cancelled. Day orders expire at close. Learn all the time-in-force options.

H

Hammer
The hammer candlestick is a powerful bullish reversal signal that forms at the bottom of downtrends. Learn how to confirm and trade it effectively.
Hanging Man
The hanging man is a single-candle bearish reversal pattern that appears at the top of an uptrend. Learn how to spot it and use it to time your exits.
Harami Pattern
The harami pattern is a two-candle reversal signal where a small candle forms inside the prior candle's body. Learn both the bullish and bearish versions.
Harmonic Patterns
Harmonic patterns use precise Fibonacci ratios to identify potential reversal zones. Learn the Gartley, Butterfly, Bat, and Crab patterns in detail.
Head & Shoulders
The head and shoulders pattern is one of the most reliable chart patterns for spotting trend reversals. Learn how to identify, confirm, and trade it.
Hedge
A position taken to offset potential losses in another investment. Common hedges include buying puts against long stock positions.
Hedging
A hedge offsets potential losses in your portfolio. Learn the most common techniques — from puts to inverse ETFs.
Heikin-Ashi
Heikin Ashi candles use a modified formula to smooth price action and make trends easier to spot. Learn how to read them and when to use them.
Historical Volatility
Historical volatility measures actual past price movement. Implied volatility measures expected future movement.
How Are Dividends Taxed? Qualified vs Ordinary Rates
Qualified dividends get favorable tax rates. Ordinary dividends are taxed as regular income. Know the difference.
How Are Options Taxed? Tax Treatment for Every Strategy
Options tax rules are complex and vary by strategy. Learn the tax treatment for calls, puts, spreads, exercises, expirations, and assignments.
How Are Stocks Taxed? Complete Guide to Stock Market Taxes
From capital gains to dividends to wash sales, stock taxes can be confusing. This complete guide explains how stocks are taxed and how to save money.
How Calls Work
Follow a call option from purchase to expiration. Learn the mechanics of exercise, assignment, and what happens at each stage.
How Do Options Work? The Mechanics Behind Every Contract
Options can seem confusing at first. This guide breaks down exactly how options contracts work — premiums, strikes, expiration, and everything in between.
How Interest Rates Affect the Stock Market
Rising rates make bonds more attractive and borrowing more expensive, putting pressure on stocks. But timing matters.
How Many Trading Days in a Year? Market Calendar Explained
There are about 252 trading days in a year. Here's the breakdown, plus market hours and holidays that affect your trades.
How Much Money Do You Need to Start Day Trading?
The PDT rule requires $25,000, but there are ways to start with less. Learn realistic capital requirements and strategies for smaller trading accounts.
How Puts Work
Follow a put option from purchase to expiration. Learn the mechanics of exercise, assignment, and when puts are most valuable.
How the IPO Process Works
An IPO turns a private company into a public one. Here's every step from S-1 filing to the first trade on the exchange.
How to Build a Stock Watchlist
The best traders don't watch everything — they watch a focused list. Here's how to build and maintain yours.
How to Find Stocks to Day Trade
Finding the right stocks to trade is half the battle. Learn how to use scanners, set criteria for float, volume, and gaps, and build a daily workflow.
How to Invest in REITs
You can invest in REITs through brokerage accounts just like stocks. Here are the best approaches by risk level.
How to Read a Balance Sheet
The balance sheet shows what a company owns and owes at a point in time. Learn to read assets, liabilities, and equity like a fundamental analyst.
How to Read an Income Statement
The income statement tells you how much a company earned and spent over a period. Learn to read it from revenue to net income like a pro.
How to Read Candlesticks
New to candlestick charts? This visual tutorial walks you through everything from reading a single candle to spotting the most important patterns.
How to Read Stock Charts
Learn to read stock charts from scratch. This guide covers candlesticks, volume, indicators, patterns, and timeframes.
How to Start Investing
Ready to start investing? This step-by-step roadmap covers opening an account, choosing your first investments, and building a plan that fits your goals.
Hull Moving Average (HMA)
The HMA was designed to eliminate lag while staying smooth. It uses a unique nested weighted MA calculation.

I

Ichimoku Cloud
A comprehensive technical indicator that defines support/resistance, trend direction, momentum, and trading signals in one view.
Implied Volatility
The market's forecast of likely movement in a security's price, reflected in options premiums. Higher IV means more expensive options.
In-the-Money (ITM)
An option with intrinsic value. A call is ITM when the stock price is above the strike price; a put is ITM when below.
Income Investing
Income investing prioritizes cash flow from dividends and interest. Learn to build a portfolio that pays you every month.
Index Fund
A mutual fund or ETF designed to track the performance of a specific market index like the S&P 500.
Index Funds
Index funds offer broad market exposure at ultra-low cost. Learn what they are, how they work, and why they outperform most actively managed funds.
Inflation? How It Affects Your Money & Investments
Inflation erodes your purchasing power over time. Learn what causes inflation, how it affects different asset classes, and strategies to protect yourself.
Inside Bar
An inside bar sits entirely within the prior candle's range — a coiled spring ready to break out. Here's how to trade it.
Insider Trading? Legal vs Illegal & How to Track It
Not all insider trading is illegal. Executives buy and sell shares legally — and tracking their moves can be informative.
Intrinsic Value
The true underlying value of a company or asset based on fundamental analysis, independent of its market price.
Inverse ETF
An exchange-traded fund designed to deliver the opposite of a benchmark index's daily return, profiting from market declines.
Inverse ETFs
Inverse ETFs let you bet against the market without short selling. But they're designed for one-day holds.
IPO
Initial Public Offering. The first time a company sells shares to the public on a stock exchange.
Iron Butterfly
The iron butterfly is a tighter version of the iron condor. Learn when to use it and how it profits from low movement.
Iron Condor
An options strategy combining a bull put spread and bear call spread, profiting when the underlying stays within a defined range.
Irrational Exuberance
Irrational exuberance pushes markets into bubble territory. Learn how bubbles form, the psychology behind them, and the warning signs.
Island Reversal
An island reversal forms when price gaps up, trades briefly, then gaps back down — leaving an isolated island of candles.

K

Keltner Channel
A volatility-based envelope indicator using ATR around an EMA, used to identify trend direction and overbought/oversold conditions.
Keltner Channels
Keltner Channels use ATR to create volatility bands around an EMA. Learn how they compare to Bollinger Bands and how to trade the TTM Squeeze.

L

LEAPS
Long-Term Equity Anticipation Securities. Options contracts with expiration dates more than one year away.
Level 2
A trading screen showing the full order book with all bid and ask prices and sizes from multiple market makers.
Level 2 Quotes
Level 2 quotes show the full order book with all bids and asks. Learn to read the depth of market and spot hidden buying and selling pressure.
Leveraged ETF
An exchange-traded fund that uses derivatives and debt to amplify the returns of an underlying index by 2x or 3x.
Leveraged ETFs
Leveraged ETFs multiply daily returns — but daily rebalancing causes decay over time. Here's how it works.
Limit Buy vs Limit Sell
Limit orders give you price control. A limit buy triggers at or below your price. A limit sell triggers at or above.
Limit Order
Limit orders let you control the exact price you pay or receive. Learn when to use them instead of market orders and how they protect your fills.
Limit vs Market Order
Limit orders control price, market orders control speed. Learn the key differences and when to use each order type for optimal trade execution.
Liquid Net Worth
Liquid net worth is the portion of your wealth you can convert to cash quickly. Learn the formula and why it matters more than total net worth.
Liquidity
How easily a security can be bought or sold without significantly affecting its price. High volume stocks are more liquid.
Long Call vs Short Call
Long calls bet on upside with limited risk. Short calls collect premium but face unlimited risk. Know the difference.
Long Position
Buying a security with the expectation that its price will rise. Going long is the most basic type of trade.
Long vs Short Positions
Long positions profit when prices rise. Short positions profit when prices fall. Learn the mechanics of both.
Long-Term Capital Gains Tax
Long-term capital gains enjoy lower tax rates than short-term gains. Learn the brackets, how to qualify, and tax planning strategies to keep more profit.
Long-Term vs Short-Term Capital Gains
The difference between long-term and short-term capital gains rates can be huge. See a side-by-side comparison and learn when holding longer saves you money.
Losing Streaks
Every trader faces losing streaks. Learn how to manage them with position sizing adjustments, mental resets, and a structured recovery process.
Loss Aversion
Loss aversion causes traders to hold losers too long and cut winners too soon. Learn how this cognitive bias works and proven strategies to overcome it.
LULD
Limit Up-Limit Down. A market-wide circuit breaker mechanism that pauses trading when a stock moves beyond defined price bands.

M

MACD
Moving Average Convergence Divergence. A trend-following momentum indicator showing the relationship between two EMAs.
Margin
Borrowed money from a broker used to purchase securities. Margin amplifies both gains and losses and requires a margin account.
Margin Account vs Cash Account
Cash accounts require full payment. Margin accounts let you borrow. Learn the rules, risks, and which is right for your trading style.
Margin Trading
Margin trading lets you borrow money from your broker to increase position sizes. Learn how leverage works, margin call triggers, and risk management.
Market Breadth Indicators
If the index is up but most stocks are down, the rally is narrow. Market breadth tells you if the move is real.
Market Bubbles
From tulip mania to the dot-com bubble, history repeats. Learn the telltale signs of a market bubble and how to protect yourself before it pops.
Market Cap
Market capitalization. The total value of a company's outstanding shares, calculated by multiplying share price by shares outstanding.
Market Corrections
A market correction is a 10% or more decline from recent highs. Learn how often they happen, how long they last, and how to react without panicking.
Market Cycles Guide
Markets cycle through accumulation, markup, distribution, and markdown. Learn to identify each stage and trade accordingly.
Market Maker
A firm that provides liquidity by standing ready to buy and sell a stock at publicly quoted prices.
Market Makers
Market makers provide liquidity by continuously quoting bid and ask prices. Learn who they are, how they profit, and how they influence stock prices.
Market Noise
Not every tick matters. Learn to separate meaningful price moves from random noise that leads to bad trades.
Market Order
An order to buy or sell immediately at the best available price. Guarantees execution but not price.
Market Profile & Footprint Charts
Market Profile shows where the market spent the most time and volume. Footprint charts reveal buyer vs seller aggression at each price.
Market Value vs Book Value
Market value is set by supply and demand. Book value is set by accountants. The gap between them tells a story.
Maximum Drawdown
A 50% drawdown requires a 100% gain just to break even. Max drawdown is the most important risk metric you're not tracking.
McClellan Oscillator & Advance/Decline Line
Market breadth tells you whether the whole market is participating in a move — or just a handful of stocks.
Mean Reversion Trading
Prices stretched too far from the mean tend to snap back. Mean reversion strategies profit from that rubber-band effect.
MFI
Money Flow Index. A volume-weighted momentum indicator that measures buying and selling pressure using price and volume.
MFI (Money Flow Index)
The Money Flow Index combines price and volume to create a more robust overbought/oversold oscillator. Learn how MFI improves on traditional RSI signals.
Momentum Trading
Momentum trading focuses on stocks making strong moves with high volume. Learn how to find momentum stocks, time entries, and ride the move for profit.
Money Market Accounts
Money market accounts earn higher interest than savings accounts and are FDIC insured up to $250,000.
Monthly Dividend Stocks
Most companies pay quarterly. These REITs and stocks pay monthly — useful for building recurring income.
Morning Star & Evening Star
Morning star and evening star patterns are reliable three-candle reversal formations. Learn how to spot them at key support and resistance levels.
Morning Trading Routine
Successful day traders follow a consistent morning routine. Learn the pre-market steps pros take every morning to prepare for the trading day.
Most Expensive Stocks
Berkshire Hathaway costs over $500K per share. But high price doesn't mean overvalued — it means they never split.
Moving Average Crossover
MA crossovers signal trend changes. Learn the best combinations and how to filter out false signals.
Moving Averages
Moving averages are the foundation of technical analysis. Learn how SMA and EMA work, which periods to use, and proven crossover strategies.
MSCI Index
MSCI indexes are the global benchmarks that institutional investors use to track markets worldwide.
Multiple Time Frame Analysis
Top traders use multiple timeframes to get the full picture. Learn how to combine higher and lower timeframes for higher-probability trades.
Mutual Fund
A pooled investment vehicle managed by professionals that invests in stocks, bonds, or other securities on behalf of shareholders.
Mutual Funds
Mutual funds let you invest in a professionally managed portfolio. Here's how they work and what to watch for.

N

Naked Calls & Puts
Naked options carry unlimited risk and require margin approval. Learn how naked calls and puts work, their risks, and why most traders should avoid them.
Noise
Random short-term price fluctuations that can mislead traders. Longer timeframes and indicators help filter out noise.

O

OBV
On-Balance Volume. A momentum indicator that uses volume flow to predict changes in stock price direction.
OCO Orders
An OCO pairs a stop loss with a profit target. When one fills, the other cancels automatically.
On-Balance Volume (OBV)
OBV tracks cumulative buying and selling volume to confirm trends. Learn how this simple indicator can reveal hidden strength or weakness in any stock.
Opening Range Breakout
The opening range breakout uses the first 15-30 minutes to set up trades for the rest of the day. Learn the rules, filters, and best market conditions.
Operating Margin
Operating income divided by revenue, showing the percentage of revenue remaining after paying operating expenses.
Option Chain
A listing of all available option contracts for a security, organized by strike price and expiration date.
Option Contracts
One option contract controls 100 shares. Here's how strike price, expiration, and premium create the building blocks of options.
Options Assignment
When you sell options and get assigned, you must deliver. Learn when assignment happens and how to manage it.
Options Expiration & Quadruple Witching
Options expiration can move markets. Learn what happens when contracts expire, the mechanics of quadruple witching, and how to manage expiration risk.
Options Greeks
Risk metrics (Delta, Gamma, Theta, Vega, Rho) measuring an option's sensitivity to changes in price, time, and volatility.
Options Moneyness
Moneyness describes whether an option has intrinsic value. Learn what ITM, ATM, and OTM mean and how they affect pricing.
Options Premium
The premium is the total price of an option. Learn what drives it — intrinsic value, time decay, and implied volatility.
Options Risk Management
Options risk management goes beyond stop losses. Learn to size positions, monitor Greeks, and adjust trades before they blow up.
Options Strategies
From basic calls to complex multi-leg strategies, learn 12 options strategies every trader should know, including when and why to use each one.
Options Trading
Options give you the right to buy or sell stocks at set prices. Learn the fundamentals of calls, puts, strike prices, and expiration in this starter guide.
Options Trading for Beginners
New to options? Start here. This beginner-friendly guide covers everything from terminology and mechanics to your first trade and beginner strategies.
Options vs Stocks
Should you trade options or stocks? This comparison breaks down leverage, risk, capital requirements, and when each instrument makes the most sense.
ORB Strategy
The ORB strategy trades breakouts from the opening range. Learn how to define the range, set entries, and place stops.
Order Fills
A fill is the completion of your order. Learn how fills work, what partial fills mean, and how to get better execution.
Order Flow Trading
Order flow reveals who is buying and selling in real time. It's the closest thing to seeing the market's hand.
Order Types Guide
From market orders to bracket orders, every order type explained. Learn when to use each one and the trade-offs involved.
Order Types Hub
Every order type explained in one place. Market, limit, stop, trailing stop, bracket, and more — with examples.
OTC
Over-the-Counter. Securities traded through a dealer network rather than on a centralized exchange.
OTC Pink Sheets
Pink sheet stocks trade OTC with minimal regulation. Learn the risk tiers, the dangers, and why most traders stay away.
OTC Stocks
OTC stocks trade off major exchanges and come with unique risks. Learn how the OTC market works, the different tiers, and how to trade them safely.
Out-of-the-Money (OTM)
An option with no intrinsic value. A call is OTM when stock price is below strike; a put is OTM when above.
Overtrading
Overtrading quietly erodes your account through commissions and bad setups. Learn to recognize when you are overtrading and how to stop.

P

P/B Ratio
Price-to-Book ratio. A valuation metric comparing a stock's market price to its book value per share.
P/E Ratio
Price-to-Earnings ratio. A valuation metric dividing stock price by earnings per share to assess relative value.
P/S Ratio
Price-to-Sales ratio. A valuation metric dividing market cap by revenue, useful for valuing unprofitable growth companies.
P&L Statement
Your P&L statement shows every dollar earned and lost. Learn how traders build and analyze their own profit and loss records.
Paper Trading
Practicing trading with simulated money to test strategies without risking real capital. Essential for beginners.
Parabolic SAR
Stop and Reverse. A trend-following indicator that places dots above or below price to indicate trend direction and potential reversals.
Pattern Day Trader
A designation for traders who execute 4+ day trades in 5 business days in a margin account, requiring $25,000 minimum equity.
Pattern Day Trader (PDT)
The Pattern Day Trader rule requires $25K in your account to day trade freely. Learn how it works, when it applies, and legitimate ways to work around it.
Payment for Order Flow (PFOF)
Brokers sell your order flow to market makers. Learn how PFOF works and whether it costs you money on execution quality.
PDT Rule
Pattern Day Trader Rule. Requires $25,000 minimum equity for traders making 4+ day trades in 5 business days.
PEG Ratio
The PEG ratio adjusts the P/E for growth, making it easier to compare companies growing at different rates.
Pennant Pattern
Pennants are tight continuation patterns that form after explosive moves. Learn how to identify them and trade the breakout for quick profits.
Penny Stock
A stock trading below $5 per share, typically of small companies with limited liquidity and higher risk.
Penny Stocks
Penny stocks are cheap but extremely risky. Learn the dangers of pump and dump schemes, low float traps, and how to approach them if you choose to trade.
PFOF
Payment for Order Flow. How brokers earn revenue by routing orders to market makers.
PMCC
Poor Man's Covered Call. A diagonal spread using a LEAP instead of stock ownership.
Point & Figure
Point and figure charts are over 100 years old and still effective. They plot Xs for rising prices and Os for falling.
Poor Man's Covered Call
The PMCC uses a LEAP instead of stock to run a covered call at a fraction of the capital. Learn the setup and trade-offs.
Portfolio Diversification
Diversification is the only free lunch in investing. Spread risk across assets, sectors, and geographies.
Position Sizing
Position sizing determines how many shares to trade based on your risk. Learn the 1-2% rule, ATR-based sizing, and how to protect your account.
Power Hour
The last hour of trading — power hour — brings the biggest volume and sharpest moves. Learn how to trade it.
Pre-Market Movers
Pre-market movers show unusual activity before the open. Learn how to scan for them and build your daily watchlist.
Preferred Stock
A class of stock with priority over common stock for dividends and asset distribution, but typically no voting rights.
Premarket Trading
Pre-market trading runs from 4am to 9:30am ET. Learn how it works, the unique risks involved, and strategies for trading before the market opens.
Premium
The price paid to buy an option contract. Determined by intrinsic value, time value, and implied volatility.
Price Action
Price action trading relies on raw candlestick data and chart structure instead of indicators. Learn this clean, direct approach to reading markets.
Price Targets
Price targets are analyst forecasts of future stock prices. Learn how they are set and how much weight to give them.
Price-to-Book (P/B) Ratio
P/B ratio compares what you pay for a stock to what it's worth on the books. Below 1.0 may signal undervaluation.
Price-to-Sales (P/S) Ratio
When a company has no earnings, P/E is useless. P/S ratio lets you value stocks by revenue instead.
Prop Trading
Prop firms fund traders with their capital in exchange for a profit split. Learn how prop trading works, how to get funded, and which firms to consider.
Protective Put
A protective put acts like insurance on your stock. You pay a premium to limit downside while keeping unlimited upside.
Pullback
A temporary decline in price within an uptrend. Pullbacks to support or moving averages can offer buying opportunities.
Pullbacks & Throwbacks
Pullbacks give you a second chance to enter a trending stock at a better price. Learn to time them.
Put Options
Put options let you profit when stocks decline or hedge your portfolio. Learn how puts work, when to buy them, and how to calculate P&L.
Put/Call Ratio
The ratio of put option volume to call option volume, used as a sentiment indicator for market direction.

Q

QE
Quantitative Easing. Central bank bond purchases to inject money into the economy.
Quantitative Easing
Quantitative easing floods the economy with money by buying bonds. Learn how QE works and why it pushes stock prices higher.

R

Random Walk Theory
Random walk theory says price changes are random and unpredictable. Learn the argument and the counterarguments from active traders.
Range Trading
When stocks chop sideways between support and resistance, range trading lets you profit from the bounces.
Rate of Return
Rate of return measures your investment gain or loss as a percentage. Learn the formulas for simple, annualized, and compound returns.
Ratio Spreads & Backspreads
Ratio spreads and backspreads use unequal numbers of options for asymmetric payoffs. Learn both and when each works best.
Red to Green Move
A red-to-green move signals intraday strength as a stock reverses from negative to positive. Learn the entry criteria and how to trade it.
REIT
Real Estate Investment Trust. A company that owns income-producing real estate and distributes most profits as dividends.
REITs
REITs own income-producing real estate and must pay 90% of taxable income as dividends. Here's how they work.
Relative Strength
Relative strength comparison helps you find the strongest stocks in the market. Learn how to measure, interpret, and use it to pick winning trades.
Relative Strength Strategy
Relative strength identifies stocks outperforming the market. Learn to use it to find leaders and avoid laggards.
Relative Volume
Current volume compared to the average volume for the same time of day, indicating unusual trading activity.
Renko Charts
Renko charts ignore time and only print bricks when price moves a set amount. The result is clean, noise-free trends.
Residual Income
Residual income keeps paying after the initial work is done. Learn the types — dividends, royalties, rent — and how to build streams.
Return of Capital
Return of capital gives you back your own money, not earnings. Learn how it reduces your cost basis and defers taxes.
Revenge Trading
Revenge trading is the urge to immediately win back losses with bigger, riskier trades. Learn to recognize the pattern and break the cycle.
Revenue vs Earnings vs Net Income
Revenue, earnings, and net income are different things. Learn what each means, how they relate, and which ones move stock prices the most.
Reversal
A change in the direction of a price trend. Bullish reversals occur at bottoms, bearish reversals at tops.
Reversal Patterns
Reversals end existing trends. Learn the signals — from candlestick patterns to divergence — that warn you early.
Reverse Stock Split
A reverse stock split consolidates shares — 1-for-10 turns 100 shares at $1 into 10 shares at $10. Your total value stays the same.
Rising Wedge & Falling Wedge Patterns
Wedge patterns are powerful signals for reversals and continuations. Learn the key differences between rising and falling wedges and how to trade both.
Risk Management for Traders
You can be right 70% of the time and still blow up without risk management. This guide keeps you in the game.
Risk Premium
The risk premium is the extra return you earn for taking on risk beyond the risk-free rate. Learn the formula and how it drives stock prices.
Risk-On vs Risk-Off
Risk-on drives money into stocks. Risk-off drives it into treasuries and gold. Learn to read which mode the market is in.
Risk-Reward Ratio
The risk/reward ratio compares potential profit to potential loss. Learn to calculate R:R, set targets, and why it matters more than your win rate.
ROA
Return on Assets. Net income divided by total assets, measuring how efficiently a company uses its assets to generate profit.
ROA (Return on Assets)
ROA measures how efficiently a company uses assets to generate profit. Learn the formula, what good ROA looks like, and how to compare across sectors.
Robo-Advisor
An automated platform that builds and manages diversified portfolios at low cost.
Robo-Advisors
Robo-advisors build and manage portfolios using algorithms at low cost. Learn how they work and whether they are right for you.
ROE
Return on Equity. Net income divided by shareholder equity, measuring how well a company generates returns for shareholders.
ROE (Return on Equity)
ROE measures how efficiently a company turns shareholder equity into profit. Learn the formula, what a good ROE looks like, and how to use it in analysis.
Rolling Options
Rolling an option extends or adjusts your position without closing it outright. Learn to roll forward, up, and down.
Roth IRA
A retirement account funded with after-tax dollars where investments grow tax-free and qualified withdrawals are tax-free.
Roth IRA Contribution Limits
Know exactly how much you can contribute to your Roth IRA. Get the latest limits, income phase-out ranges, and tips for maximizing your contributions.
Rounding Bottom
The rounding bottom is a long-term reversal pattern that signals a gradual transition from selling to buying pressure. Learn to spot and trade it.
Royalties
Royalties are recurring payments for the use of an asset. Learn the types — mineral, music, patent — and how investors earn them.
RSI
Relative Strength Index. A momentum oscillator (0-100) measuring the speed and magnitude of price changes.
Rule of 72
A formula to estimate how long an investment takes to double: divide 72 by the annual return percentage.
RVOL
Relative Volume. Current volume compared to its average, used to gauge unusual interest in a stock.

S

Scalping
An ultra-short-term trading strategy aiming to profit from small price changes, holding positions for seconds to minutes.
Seasonality in Stocks
Certain months consistently outperform or underperform. Seasonality patterns can give swing traders an edge.
SEC Filings Explained
SEC filings are treasure troves of data — if you know what to look for. Here's a guide to the most important ones.
SEC Form 4
Form 4 shows when insiders buy or sell their company's stock. Learn how to read filings and what insider activity signals.
Secondary Market
The secondary market is where stocks trade after the IPO. Learn the difference between primary and secondary markets.
Secondary Offerings & Stock Dilution
Secondary offerings increase shares outstanding and can dilute existing shareholders. Learn how they work, why companies do them, and how price reacts.
Sector ETF Trading
Sector ETFs let you trade entire industries. Learn to spot rotations and ride them with ETFs like XLF, XLE, and XLK.
Sector Rotation
The movement of investment capital from one industry sector to another as economic conditions change through market cycles.
Selling Options for Income
Selling options puts time decay on your side. Learn the strategies, risk management, and mindset needed to generate consistent income as an option seller.
Selling Puts
Selling puts collects premium upfront with the obligation to buy stock if assigned. Learn the strategy and risk management.
SG&A Expenses
SG&A covers salaries, rent, marketing, and other overhead. It reveals how efficiently a company operates.
Share Buybacks
Share buybacks reduce outstanding shares and can boost EPS and stock price. Learn why companies do them, how they work, and whether they help investors.
Shareholders' Equity
Shareholders' equity represents what's left for owners after all debts are paid. It's the company's net worth.
Shares Outstanding vs Float
Shares outstanding includes all shares. Float excludes insider and restricted shares. Low float stocks move faster.
Sharpe Ratio
A measure of risk-adjusted return, calculated as excess return divided by standard deviation of returns.
Shooting Star
The shooting star is a bearish reversal candlestick that appears at the top of uptrends. Learn to identify it and use it to time short entries.
Short Interest
The total number of shares currently sold short, indicating bearish sentiment on a stock.
Short Locates
Short locates confirm that shares are available to borrow. Learn how the locate process works and what hard-to-borrow means.
Short Position
Selling a borrowed security expecting the price to fall, allowing you to buy it back at a lower price for profit.
Short Sale Restriction (SSR)
SSR activates when a stock falls 10% in a day, restricting short selling to upticks only. Learn how it works and how traders adapt.
Short Selling
Short selling lets you profit when stocks fall. Learn the mechanics of borrowing shares, the risks of unlimited loss, and how short squeezes happen.
Short Squeeze
A rapid price increase that forces short sellers to buy shares to cover their positions, driving the price even higher.
Short-Term Capital Gains Tax
Short-term capital gains are taxed as ordinary income — often the highest rate you pay. Learn the rates, rules, and strategies to reduce your tax bill.
SIPC Insurance
SIPC insures your brokerage account up to $500,000 if the broker fails. Learn what is covered and what is not.
Slippage
The difference between the expected price of a trade and the actual execution price.
SMA
Simple Moving Average. An average of closing prices over a specified period, giving equal weight to each data point.
Small Account Day Trading
Under $25K? The PDT rule limits your day trades. Learn the workarounds, strategies, and how to grow a small account.
SPAC
Special Purpose Acquisition Company. A blank-check company formed to raise capital through an IPO to acquire another business.
SPACs
SPACs are blank check companies that raise money through an IPO to acquire a private company. Learn how they work, their risks, and how to evaluate them.
Spinning Top Candlestick
The spinning top is a small-body candle with long wicks on both sides, signaling market indecision. Learn when it matters and how to trade around it.
Spread
The difference between bid and ask price. Also refers to options strategies with multiple contracts.
Spread (Trading)
Spread has multiple meanings in trading — bid-ask, options spreads, and more. Learn what each one means.
SSR
Short Sale Restriction. Triggered when a stock drops 10%, limiting short selling to uptick prices only.
Stagflation
An economic condition combining high inflation with stagnant growth and rising unemployment.
Standard Deviation (Trading)
Standard deviation quantifies how much returns vary from the mean. Learn how traders use it to measure risk and volatility.
Standard Deviation Indicator
The standard deviation indicator shows real-time volatility by measuring price dispersion from the mean.
State Taxes on Trading
Some states tax trading gains heavily, others have no income tax. Learn which states are best for active traders.
Stochastic
A momentum oscillator comparing a security's closing price to its price range over a given period.
Stochastic Oscillator
The stochastic measures where the close falls within a range. Learn the %K/%D formula and fast vs slow variants.
Stock Chart Patterns
This definitive guide covers 30+ chart patterns every trader should know — from simple flags and triangles to advanced harmonic setups and candlestick combos.
Stock Correlation
Correlation measures how two stocks move together. Learn to use it for real diversification and risk control.
Stock Exchanges
Stock exchanges match buyers and sellers. Learn how the NYSE and Nasdaq work and what happens when you place an order.
Stock Float
A stock float is the number of shares available to trade. Learn why low-float stocks have explosive moves and how to use float in your scanning.
Stock Market Crashes
From 1929 to 2020, market crashes have shaped investing history. Learn what caused each crash, the warning signs, and timeless lessons for traders.
Stock Market for Beginners
The stock market is where millions of buyers and sellers set prices for company shares every second. Here's how it all works.
Stock Market History
The stock market started in 1602. Learn the key milestones — from the Buttonwood Agreement to electronic trading.
Stock Market Holidays 2026
The stock market closes for 9 federal holidays and has 2 early close days in 2026. Here's the full calendar.
Stock Market Hours
The stock market is open 9:30am to 4pm ET, but trading extends further. Learn about pre-market, regular hours, and after-hours trading sessions.
Stock Market Index
A stock market index measures the performance of a group of stocks. Learn how the S&P 500, Dow, and Nasdaq are built and used.
Stock Market Simulators
Paper trading simulators let you practice without risking real money. Here are the best free platforms to start with.
Stock Scanners & Screeners
You can't watch 10,000 stocks. Scanners filter them into a handful that match your criteria. Here's how to set them up.
Stock Splits
Stock splits divide shares into more units at a lower price. Learn how regular and reverse splits work and whether they create trading opportunities.
Stock Warrants vs Options
Stock warrants and options look similar but differ in key ways. Learn how warrants are issued, how they dilute shares, and how they compare to options.
Stocks
A stock represents ownership in a company. Learn how stocks work, why companies issue them, and how the stock market connects buyers and sellers.
Stocks vs Bonds
Stocks give you ownership. Bonds make you a lender. Here's how they compare and when to hold each.
Stop Loss
An order to sell a security when it reaches a certain price, designed to limit potential losses on a trade.
Stop Orders
Stop orders trigger when price hits your stop level. Learn sell stops for protection and buy stops for breakout entries.
Stop-Limit
An order combining a stop trigger with a limit price, providing price control but no guarantee of execution.
Stop-Limit Order
Stop-limit orders trigger at one price and execute at another. Learn how this two-part order works, with clear examples for both buying and selling.
Stop-Limit vs Stop-Loss
Stop-limit and stop-loss orders both protect you from losses, but they work differently. Learn when to use each and the tradeoffs between them.
Straddle
An options strategy buying both a call and put at the same strike price, profiting from large moves in either direction.
Straddle & Strangle
Straddles and strangles profit from big moves regardless of direction. Learn how to trade volatility around earnings and major events.
Strangle
An options strategy buying a call and put at different strike prices, profiting from large moves at lower cost than a straddle.
Sunk Cost Fallacy in Trading
You hold a loser because you've already lost so much. That's the sunk cost fallacy — and it destroys trading accounts.
Support & Resistance
Key price levels where buying pressure (support) or selling pressure (resistance) is expected to influence price direction.
Support & Resistance Zones
Support and resistance are areas, not exact lines. Learn why zones lead to better trades than precise price levels.
Swing Trading
A trading style holding positions for days to weeks, aiming to capture short- to medium-term price swings.
Swing Trading Entry & Exit
Timing entries and exits is crucial for swing trading. Learn pullback entries, breakout entries, and exit strategies that lock in profits.
Swing Trading ETFs
ETFs offer smoother price action and lower risk for swing traders. Learn the best ETFs to swing trade and sector rotation strategies.
Swing Trading Strategies
Learn 5 proven swing trading strategies with clear entry, exit, and risk management rules. These setups work across stocks, ETFs, and forex.
Swing Trading vs Day Trading
Swing trading and day trading each have pros and cons. Compare time commitment, capital needs, risk profiles, and lifestyle fit to choose your style.
Swing Trading with Options
Options amplify swing trading returns with less capital. Learn which options to buy, how to select expirations, and how to manage multi-day option positions.
Symmetrical Triangle
The symmetrical triangle compresses price between converging trendlines before a breakout. Learn how to trade it regardless of which direction it breaks.

T

Tape Reading & Time and Sales
Tape reading is the art of reading Time & Sales data to understand real-time order flow. Learn to spot large prints and institutional activity.
Tax Brackets for Traders
Short-term gains are taxed as ordinary income. Long-term gains get lower rates. Learn how brackets apply to trading profits.
Tax-Loss Harvesting
Selling losing investments to offset capital gains and reduce tax liability, then reinvesting in similar assets.
Technical Analysis
The study of past price and volume data to forecast future price movements using charts, patterns, and indicators.
Technical Analysis Guide
Technical analysis studies price and volume to predict future moves. This guide covers everything from charts to indicators to setups.
Technical vs Fundamental Analysis
Should you use charts or financials to make trading decisions? Learn the key differences between technical and fundamental analysis and when to use each.
Theta
An options Greek measuring the rate of time decay. Options lose value as expiration approaches.
thinkorswim Guide
Thinkorswim is one of the most powerful free trading platforms. Learn paper trading, custom charts, thinkScript, scanners, and the features that matter.
Three White Soldiers & Three Black Crows
Three white soldiers and three black crows are strong three-candle reversal patterns. Learn how to identify them and use them for high-conviction entries.
Tick Charts
Tick charts plot one bar per N trades — not per time interval. During fast markets, they show detail that time charts miss.
Tilt (Trading)
Tilt turns one bad trade into a catastrophic losing streak. Learn to recognize the warning signs and stop the spiral.
Time in the Market
Missing just the 10 best days over 20 years cuts your returns in half. Learn why staying invested beats trying to time the market.
TIPS
TIPS adjust their principal value with inflation, protecting your purchasing power.
Trader Tax Status & Mark-to-Market
Trader tax status and mark-to-market accounting offer significant tax advantages for active traders. Learn the qualification criteria and how to elect.
Trading Commissions & Fees
Zero-commission trading is not truly free. Learn the hidden fees — SEC fees, FINRA TAF, PFOF — that add up for active traders.
Trading Discipline
Discipline separates profitable traders from everyone else. Learn how to build rules, create accountability, and stick to your plan even when it is hard.
Trading During a Recession
Recessions create both danger and opportunity. Learn which sectors hold up, how to play defense, and how to position for the eventual recovery.
Trading Goals
Good trading goals focus on process, not just profit. Learn to set goals that improve your skills and track what matters.
Trading Halted Stocks
Halts pause trading when a stock moves too fast. Learn what triggers them, how to prepare, and how to trade the resume.
Trading Halts & Circuit Breakers
Trading halts pause a stock to prevent panic and ensure fair markets. Learn the different types of halts, why they happen, and how to handle them.
Trading Hotkeys
Hotkeys execute orders instantly with keyboard shortcuts. Learn the essential hotkeys every day trader should configure.
Trading Journal
A trading journal is the most powerful tool for improvement. Learn what to track, how to review your trades, and use a proven template to get started.
Trading Plan
A trading plan is your rulebook for consistency. Learn how to create one that includes strategy rules, risk parameters, and accountability measures.
Trading Psychology
Your mindset determines your trading success. Learn the psychological biases, emotional traps, and mental frameworks that separate winning traders from the rest.
Trading Routine
A structured routine prevents emotional decisions. Learn the pre-market, session, and post-close steps pros follow daily.
Trading Volatility
Volatility changes everything about how you should trade. Learn strategies for high-vol and low-vol environments using stocks, options, and indicators.
Traditional IRA
A traditional IRA offers tax-deductible contributions and tax-deferred growth. Learn the rules, limits, and how it compares to a Roth IRA.
Trailing Stop
A stop order that follows price by a fixed amount or percentage, automatically adjusting to lock in profits.
Trend
The general direction of price movement. Uptrends have higher highs/lows; downtrends have lower highs/lows.
Trend Following
Trend following is simple: buy what's going up, sell what's going down, and manage risk. Most legendary traders use it.
Trend Lines
Trend lines connect swing points to visualize market direction. Learn the right way to draw them and how to trade bounces and breakouts.
Trends
Trends define the market's direction. Learn to identify uptrends, downtrends, and sideways ranges on any chart.
Treynor Ratio
A risk-adjusted performance measure calculated as excess return divided by beta, measuring return per unit of market risk.
Triple Top & Triple Bottom
Triple tops and triple bottoms extend the classic double formation with an extra test. Learn how the added confirmation improves reversal trade accuracy.
TRIX
TRIX triple-smoothes an EMA to eliminate noise. ROC measures raw momentum. Both help confirm trend direction.
TTM Squeeze
A volatility indicator combining Bollinger Bands and Keltner Channels to identify periods of low volatility before explosive moves.
TWAP
TWAP is the average price over a time period. Learn how institutions use TWAP algorithms to fill large orders without moving the market.
Types of Bonds
Corporate, municipal, treasury, savings, junk — each bond type carries different risk and return profiles.
Types of Inflation
Demand-pull, cost-push, and built-in inflation each have different causes and effects on the economy.
Types of Stocks
Growth, value, income, blue chip, penny — stocks are classified in many ways. Here's a complete breakdown.

U

Unrealized Gain/Loss
The profit or loss on an open position that has not yet been closed. Only becomes realized when the position is sold.
Unrealized vs Realized Gains
Paper profits don't owe taxes. Only when you sell and realize the gain does the IRS care. Here's how it works.
Unusual Options Activity
Unusual options activity can reveal institutional positioning before big moves. Learn to spot sweeps, blocks, and large unusual trades worth following.
Uptrend
A series of higher highs and higher lows, indicating that buyers are in control and prices are rising.

V

Value Investing
Value investors buy stocks trading below intrinsic value. Learn the strategy, the key ratios, and how to find undervalued companies.
VCP Pattern
The VCP shows tightening volatility before a breakout. Learn Mark Minervini's criteria for this high-probability setup.
VIX
The CBOE Volatility Index, measuring expected 30-day volatility of the S&P 500. Known as the "fear gauge."
Volatility
A measure of how much and how quickly a security's price changes. High volatility means larger and faster price swings.
Volume Analysis
Volume confirms price action. Learn how to read volume bars, spot climactic volume, identify accumulation and distribution, and filter false breakouts.
Volume in Stocks? Why It's the Most Underrated Indicator
Volume is the number of shares traded and one of the most overlooked indicators. Learn why volume matters and how it confirms (or invalidates) price moves.
Volume Profile
A charting tool showing the amount of volume traded at each price level over a specified period.
Vortex Indicator
The Vortex Indicator uses two lines — +VI and -VI — to identify when a new trend is starting.
VWAP
Volume Weighted Average Price. The average price weighted by volume, widely used as an intraday trading benchmark.
VWAP Day Trading Strategy
VWAP is the most important intraday indicator for institutions. Learn how to use it as support/resistance, for trend bias, and as a trade trigger.

W

Wash Sale
Selling a security at a loss and repurchasing the same or substantially identical security within 30 days, disallowing the tax deduction.
Wash Sale Rule
The wash sale rule prevents you from claiming a tax loss if you rebuy the same stock within 30 days. Learn exactly how it works and how to avoid it.
What Causes Inflation & How It Affects Your Portfolio
Inflation eats your returns silently. Some sectors thrive during inflation while others suffer. Here's how to position.
Wheel Strategy
An options income strategy that cycles between selling cash-secured puts and covered calls on the same stock.
When Does the Stock Market Open? Market Hours Worldwide
The US stock market opens at 9:30 AM ET and closes at 4:00 PM ET, but trading happens beyond those hours. Get the full schedule including global markets.
When to Sell a Stock
Most traders focus on entries but exits determine profitability. Here are the signals that tell you it's time to sell.
When to Walk Away
Knowing when to walk away is a superpower. Learn how to set daily loss limits, implement kill switches, and protect both your capital and your mindset.
Whipsaw
A rapid price reversal that triggers stop losses or false signals, common in choppy or range-bound markets.
Wick (Shadow)
The thin lines above and below a candlestick body, showing the high and low prices during that period.
Williams %R
A momentum oscillator measuring overbought and oversold levels, similar to stochastic but plotted on an inverted scale.
Win Rate vs Expectancy
A 30% win rate with 3:1 reward-to-risk is more profitable than a 70% win rate with 1:3. Here's the math.
WMA
The WMA gives more weight to recent prices using a linear scale, sitting between the SMA and EMA in responsiveness.
Working Capital
Current assets minus current liabilities. Measures a company's short-term liquidity and operational efficiency.
Wyckoff Method
A technical analysis approach analyzing market cycles through phases of accumulation, markup, distribution, and markdown.
Wyckoff Trading Method
The Wyckoff trading method teaches you to think like the Composite Man — the collective force of smart money. Learn to read schematics and trade setups.

Y

Yield
The income return on an investment, usually expressed as an annual percentage.
Yield Curve
A graph plotting interest rates of bonds with equal credit quality but different maturities. Inversions can signal recessions.

Z

Zone
A price range where support or resistance is expected. Zones are more useful than exact price levels.

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0DTE
Zero Days to Expiration. Options contracts traded on their expiration day, offering maximum leverage and time decay.
0DTE Options
0DTE options expire today. Theta is maxed out, gamma is extreme, and moves are fast. Here's how traders use them.
10 Trading Mistakes Every Beginner Makes (And How to Fix Them)
Every beginner makes the same mistakes. Learn the 10 most common trading errors and actionable fixes so you can skip the expensive learning curve.
3 Bar Play
The 3 bar play is a three-candle momentum pattern for day traders. Learn the rules and how to trade it.
50/30/20 Rule
The 50/30/20 rule splits your income into needs, wants, and savings. Learn how to apply it and put the savings portion to work.