Glossary A-Z

Quick definitions for trading and investing terms. Search or jump to a letter to find what you need.

Accredited Investor

regulationinvestor types

An investor who meets specific income, net worth, or professional qualification standards under securities regulations, which may allow access to certain private or exempt investment offerings not generally available to the public.

Accounts Payable

financial statementsaccounting

A balance sheet item representing money a company owes to suppliers or vendors for goods and services purchased on credit but not yet paid.

Accounts Receivable

financial statementsaccounting

A balance sheet item representing money owed to a company by customers for goods or services already delivered but not yet paid for.

Alpha

performanceanalysis

A measure of investment performance that compares a portfolio or security's return with a benchmark after adjusting for risk; positive alpha suggests outperformance relative to expectations.

Amortization

accountingfinancial statements

The gradual recognition of the cost or reduction in value of an intangible asset over its useful life, typically recorded as an expense over time.

Asset

basics

Anything of value owned by an individual or entity that can be converted into cash, such as stocks, bonds, cash, inventory, or real estate.

Assets Under Management (AUM)

fundsportfolio management

The total market value of assets that an investment adviser, fund, or financial institution manages on behalf of clients or investors.

Ask Price

order typestrading mechanics

The lowest price at which a seller is willing to sell a security in the market at a given moment.

Asset Allocation

portfolio managementrisk management

The strategy of dividing investments among asset classes such as stocks, bonds, cash, and alternatives in order to balance risk and return.

Balance Sheet

financial statementsfundamental analysis

A core financial statement that shows a company's financial position at a specific point in time by listing its assets, liabilities, and shareholders' equity.

Basis Point

fixed incomebasics

A unit equal to one-hundredth of one percentage point, commonly used to describe changes in interest rates, yields, fees, or returns; 100 basis points equals 1%.

Bear Market

market structure

A market condition where prices are falling or expected to fall, often associated with broad pessimism and commonly defined as a decline of 20% or more from recent highs.

Beta

risk managementanalysis

A measure of how volatile a security is relative to the broader market; a beta above 1 suggests greater volatility than the market, while below 1 suggests lower volatility.

Bid Price

order typestrading mechanics

The highest price a buyer is currently willing to pay for a security in the market.

Bid-Ask Spread

order typestrading mechanics

The difference between the highest price a buyer is willing to pay and the lowest price a seller is willing to accept; narrower spreads generally indicate better liquidity.

Blue-Chip Stock

instrumentsequities

Shares of a large, established, financially strong company with a long history of stable operations, often viewed as relatively dependable compared with smaller or speculative companies.

Bond

instrumentsfixed income

A debt security in which an investor lends money to an issuer, such as a government or corporation, in exchange for interest payments and the return of principal at maturity.

Book Value

fundamental analysisaccounting

The accounting value of a company's assets minus its liabilities, or on a per-share basis, the net asset value attributable to each common share.

Breakout

technical analysistrading mechanics

A price move above resistance or below support that traders often interpret as the beginning of a stronger directional trend.

Broker

market structuretrading mechanics

A person or firm that executes buy and sell orders for securities on behalf of clients, usually for a commission or fee.

Bull Market

market structure

A market condition characterized by rising prices, strong investor confidence, and expectations of continued gains.

Burn Rate

fundamental analysisbusiness metrics

The rate at which a company spends its available cash, commonly measured monthly, and especially important for startups and unprofitable growth companies.

Capital Gain

returnstax concepts

The profit earned when an asset is sold for more than its purchase price, excluding transaction costs and taxes.

Capital Loss

returnstax concepts

The loss incurred when an asset is sold for less than its purchase price, excluding transaction costs and taxes.

Capitalization Table

equitiesstartup finance

A record showing the ownership structure of a company, including different classes of shares, investors, founders, options, warrants, and other convertible securities.

Cash Flow

financial statementsbasics

The movement of cash into and out of a business, investment, or account over a period of time.

Cash Flow Statement

financial statementsfundamental analysis

A financial statement that shows how cash moves through a business from operating, investing, and financing activities during a period.

Circuit Breaker

market structuretrading mechanics

A market-wide or security-specific trading halt designed to temporarily stop trading during extreme price movements and reduce panic-driven volatility.

Common Stock

equitiesinstruments

A type of equity representing ownership in a company, typically giving shareholders voting rights and a residual claim on assets after debts and preferred claims are paid.

Compounding

basics

The process where returns generate additional returns over time because earnings are reinvested, allowing growth to accelerate.

Correction

market structure

A short- to medium-term decline in the price of a security or market index, often defined as a drop of roughly 10% from a recent high.

Cost Basis

tax conceptsportfolio management

The original value of an investment for tax and performance purposes, usually including the purchase price plus certain transaction costs.

Cost of Goods Sold (COGS)

financial statementsaccounting

The direct costs a company incurs to produce goods or deliver services that it sells, such as raw materials, manufacturing inputs, or direct labor.

Current Assets

financial statementsaccounting

Assets expected to be converted into cash, sold, or used up within one year, including cash, receivables, and inventory.

Current Liabilities

financial statementsaccounting

Obligations a company is expected to pay within one year, such as accounts payable, short-term debt, and accrued expenses.

Cyclical Stock

equitiesmarket structure

A stock whose performance tends to rise and fall with the broader economy, often seen in industries like travel, automobiles, housing, and luxury goods.

Day Trading

trading mechanicsstrategies

A trading strategy involving the purchase and sale of securities within the same trading day, often focused on small short-term price movements.

Debt

fixed incomefinancial statements

Money borrowed by a company, government, or individual that must generally be repaid with interest according to agreed terms.

Debt-to-Equity Ratio

fundamental analysisrisk management

A leverage ratio that compares a company's total debt to shareholders' equity, often used to assess financial risk and capital structure.

Depreciation

accountingfinancial statements

The accounting process of allocating the cost or decline in value of a tangible asset over its useful life.

Defensive Stock

equitiesrisk management

A stock in an industry that tends to remain relatively stable during economic downturns because demand for its products or services is more consistent, such as utilities or consumer staples.

Dilution

equitiesfundamental analysis

A reduction in an existing shareholder's percentage ownership, voting power, or earnings per share when a company issues additional shares.

Discount Brokerage

market structuretrading mechanics

A brokerage firm that primarily offers trade execution with limited advisory services, typically at lower cost than full-service brokers.

Diversification

risk management

Spreading investments across different assets, sectors, industries, or asset classes to reduce exposure to any single source of risk.

Dividend

instrumentsequities

A portion of a company's earnings distributed to shareholders, usually in cash or additional shares, often on a quarterly basis.

Dividend Reinvestment Plan (DRIP)

portfolio managementequities

A plan that automatically uses cash dividends to purchase additional shares or fractional shares of the same stock instead of paying the dividend out in cash.

Dollar-Cost Averaging

strategiesrisk management

An investing method where a fixed amount of money is invested at regular intervals, helping reduce the impact of market timing and price volatility.

Drawdown

risk managementperformance

The decline in value of an investment, portfolio, or trading account from a peak to a subsequent low point.

Due Diligence

analysisrisk management

The process of researching and evaluating an investment opportunity by reviewing financial information, business quality, management, risks, valuation, and legal disclosures.

Earnings Per Share (EPS)

fundamental analysisfinancial statements

A profitability metric showing the portion of a company's net income attributable to each outstanding common share; basic EPS uses current common shares, while diluted EPS includes the effect of convertible securities.

EBITDA

fundamental analysisfinancial statements

A measure of operating performance that stands for earnings before interest, taxes, depreciation, and amortization, often used to compare profitability across companies.

Emergency Fund

personal financerisk management

Cash or highly liquid savings set aside to cover unexpected expenses or income loss, helping prevent forced selling of investments during financial stress.

Equity

equitiesbasics

Ownership value in a company or asset after liabilities are subtracted; in investing, equity usually refers to a stake in a company through stock ownership.

Exchange

market structure

An organized marketplace where securities, derivatives, or other financial instruments are bought and sold under established rules.

Ex-Dividend Date

equitiesdividends

The date on or after which a stock trades without the value of its next declared dividend; investors generally must own the stock before this date to receive that dividend.

Expense Ratio

fundscosts

The annual fee charged by a mutual fund or ETF, expressed as a percentage of assets, to cover management and operating expenses.

ETF (Exchange-Traded Fund)

instrumentsfunds

A pooled investment vehicle that trades on an exchange like a stock and often tracks an index, sector, commodity, or investment strategy.

Face Value

fixed incomeinstruments

The nominal value of a bond or other fixed-income security that is typically repaid to the investor at maturity.

Fair Value

valuationanalysis

An estimate of what an asset, liability, or business is worth based on current market conditions or valuation methods.

Fed Funds Rate

macrointerest rates

The short-term interest rate targeted by the U.S. Federal Reserve for overnight lending between banks, which influences borrowing costs and market conditions more broadly.

Float

equitiesmarket structure

The number of shares of a company that are available for public trading, excluding restricted or closely held shares.

Free Cash Flow

fundamental analysisfinancial statements

The cash a company generates from operations after capital expenditures, often used to evaluate financial flexibility and business quality.

Fundamental Analysis

analysis

The process of evaluating a security by examining financial statements, business quality, management, industry position, competitive advantages, and broader economic factors.

Futures Contract

derivativestrading mechanics

A standardized derivative contract obligating the buyer or seller to transact an asset at a predetermined price on a specified future date.

Growth Stock

equitiesstrategies

A stock issued by a company expected to grow revenue or earnings faster than the broader market, often reinvesting profits instead of paying dividends.

GDP (Gross Domestic Product)

macroeconomics

A broad measure of economic activity representing the total value of goods and services produced within a country over a specific period.

Goodwill

accountingfinancial statements

An intangible asset recorded when one company acquires another for more than the fair value of its identifiable net assets, often reflecting reputation, brand value, or expected synergies.

Hedge

risk managementderivatives

A strategy used to reduce or offset the risk of adverse price movements in an asset, often by taking an opposing position in a related security or derivative.

Hedge Fund

fundsalternative investments

A private investment fund that may use flexible or complex strategies such as leverage, short selling, and derivatives, generally available only to certain qualified investors.

Holding Period

portfolio managementtax concepts

The length of time an investment is owned before being sold, often relevant for strategy, risk, and tax treatment.

Income Statement

financial statementsfundamental analysis

A financial statement that reports a company's revenue, expenses, and profit or loss over a specific period.

Index

market structurebasics

A benchmark that tracks the performance of a group of securities, often representing a market, sector, style, or asset class.

Index Fund

fundsstrategies

A fund designed to track the performance of a specific market index, usually through broad diversification and relatively low costs.

Inflation

macroeconomics

The general increase in prices over time, which reduces the purchasing power of money and can affect investment returns in real terms.

Initial Margin

trading mechanicsrisk management

The minimum amount of equity an investor must deposit to open a leveraged position in a margin account.

Institutional Investor

investor typesmarket structure

An organization that invests capital on behalf of others or for its own account, such as mutual funds, pension funds, insurance companies, banks, or endowments.

Interest Expense

financial statementsaccounting

The cost incurred by a borrower for using borrowed money during a reporting period.

Interest Rate Risk

risk managementfixed income

The risk that changes in interest rates will negatively affect the value of an investment, especially bonds and other rate-sensitive assets.

Intrinsic Value

valuationfundamental analysis

An estimate of the true or underlying worth of an asset based on fundamentals, cash flows, assets, earnings power, or other valuation methods.

Inventory

accountingfinancial statements

Goods and materials a company holds for sale or production, recorded as a current asset on the balance sheet.

IPO (Initial Public Offering)

market structure

The process by which a private company offers its shares to the public for the first time and becomes publicly traded.

Joint Account

account typesbasics

An investment or brokerage account owned by two or more individuals who share legal rights and responsibilities regarding the assets in the account.

Key Performance Indicator (KPI)

business metricsanalysis

A measurable value used to track the financial, operational, or strategic performance of a business, fund, or investment process.

Large-Cap Stock

equitiesmarket structure

A stock of a company with a relatively high market capitalization, generally representing larger, more established businesses.

Leverage

risk management

Using borrowed money or financial instruments to increase exposure to an investment, which can magnify both gains and losses.

Limit Order

order typestrading mechanics

An order to buy or sell a security only at a specified price or better, giving the investor price control but not execution certainty.

Liquidity

market structure

How easily and quickly an asset can be bought or sold without causing a significant change in its price.

Liquidation Preference

startup financeequities

A right, often attached to preferred shares, that gives certain investors priority over common shareholders in receiving proceeds during a liquidation or sale of a company.

Long Position

trading mechanicsstrategies

Ownership of a security with the expectation that its price will rise over time.

Long-Term Capital Gain

tax conceptsreturns

A profit from the sale of an investment held for more than the applicable long-term holding period under tax law, often receiving more favorable tax treatment than short-term gains.

Margin

trading mechanics

Borrowed funds from a broker used to purchase securities, with the investor's existing assets serving as collateral.

Margin Call

trading mechanicsrisk management

A broker's demand that an investor deposit additional funds or securities when the equity in a margin account falls below required levels.

Market Capitalization

fundamental analysis

The total market value of a company's outstanding shares, calculated by multiplying current share price by the number of shares outstanding.

Market Cycle

market structuremacro

The recurring pattern of expansion, peak, decline, and recovery that can occur in asset prices, sectors, or the economy over time.

Market Maker

market structuretrading mechanics

A firm or participant that continuously quotes buy and sell prices for a security, helping provide liquidity to the market.

Market Order

order types

An order to buy or sell a security immediately at the best available current price.

Maturity

fixed incomeinstruments

The date on which the principal amount of a bond, note, or other debt instrument becomes due and payable.

Mid-Cap Stock

equitiesmarket structure

A stock of a company with a market capitalization between smaller and larger firms, often seen as a middle ground between growth potential and business stability.

Microcap Stock

equitiesrisk management

A stock of a very small company with low market capitalization, often associated with higher volatility, lower liquidity, and greater risk.

Momentum

technical analysisstrategies

The tendency of a security's price trend to continue in its current direction for a period of time, often used in trading and quantitative strategies.

Moving Average

technical analysis

A technical indicator that smooths price data over a defined period to help identify trends, direction, or support and resistance levels.

Mutual Fund

fundsinstruments

A pooled investment vehicle that collects money from many investors to buy a diversified portfolio of securities managed according to a stated objective.

Net Asset Value (NAV)

fundsvaluation

The per-share value of a fund, calculated as total assets minus liabilities divided by the number of shares outstanding.

Net Income

financial statementsfundamental analysis

A company's profit after all expenses, interest, taxes, and other costs have been subtracted from revenue.

Net Worth

basicspersonal finance

The value of total assets minus total liabilities for an individual or business.

Non-Current Asset

financial statementsaccounting

An asset not expected to be converted into cash within one year, such as property, equipment, patents, or long-term investments.

Open Interest

derivativesmarket structure

The total number of outstanding derivative contracts, such as options or futures, that have not been settled or closed.

Operating Margin

fundamental analysisfinancial ratios

A profitability ratio showing operating income as a percentage of revenue, used to assess how efficiently a company runs its core business.

Options Contract

derivativesinstruments

A derivative that gives the buyer the right, but not the obligation, to buy or sell an underlying asset at a specified price before or on a certain date.

Order Book

trading mechanicsmarket structure

The electronic list of buy and sell orders for a security, organized by price level and often by time priority.

Outstanding Shares

equitiesfundamental analysis

The total number of shares issued by a company that are currently held by investors, including insiders and institutions, but excluding treasury shares.

Overvaluation

valuationfundamental analysis

A condition where a security's market price appears to be higher than its estimated intrinsic or fundamental value.

P/E Ratio (Price-to-Earnings)

fundamental analysis

A valuation ratio that compares a company's current share price with its earnings per share, often used to assess how expensively or cheaply the market values a company relative to its profits.

P/B Ratio (Price-to-Book)

fundamental analysisvaluation

A valuation ratio comparing a company's market price per share to its book value per share.

Paper Loss

returnsportfolio management

An unrealized loss that exists on paper because the market value of an investment has fallen below its purchase price, but the investment has not yet been sold.

Payout Ratio

dividendsfundamental analysis

The percentage of a company's earnings paid out to shareholders as dividends.

Penny Stock

equitiesrisk management

A low-priced stock, often associated with very small companies, limited public information, lower liquidity, and elevated volatility or fraud risk.

Portfolio

basics

A collection of investments such as stocks, bonds, cash, funds, or other assets held by an individual or institution.

Portfolio Rebalancing

portfolio managementrisk management

The process of adjusting portfolio holdings back to target allocations after market movements or changes in investment goals.

Position Sizing

risk management

Determining how much capital to allocate to a single investment or trade based on account size, conviction, and acceptable risk.

Preferred Stock

equitiesinstruments

A class of stock that generally has priority over common stock for dividends and liquidation proceeds, and may pay a fixed dividend, though it often carries limited voting rights.

Price Target

analysisvaluation

An analyst's or investor's estimated future price for a security based on valuation models, expectations, or technical analysis.

Profit Margin

financial ratiosfundamental analysis

A ratio showing how much of a company's revenue remains as profit after expenses, commonly expressed as a percentage.

Prospectus

regulationinvestor education

A formal disclosure document that provides important information about a security offering or fund, including objectives, risks, fees, and financial details.

Public Float

equitiesmarket structure

The portion of a company's shares that is freely available for trading by the public rather than locked up by insiders or controlling holders.

Quantitative Analysis

analysisstrategies

The use of mathematical models, statistics, financial ratios, and data-driven methods to evaluate securities or construct investment strategies.

Quick Ratio

financial ratiosfundamental analysis

A liquidity ratio that measures a company's ability to meet short-term obligations using its most liquid assets, excluding inventory.

Rally

market structuretechnical analysis

A period during which the price of a security or broader market rises noticeably, often over a short or intermediate timeframe.

Real Return

returnsmacro

The return on an investment after adjusting for inflation, showing the actual increase in purchasing power.

Record Date

dividendsequities

The date on which a company determines which shareholders are officially entitled to receive a declared dividend or other distribution.

Resistance

technical analysis

A price level where an asset has historically struggled to move higher because selling pressure tends to increase there.

Return on Equity (ROE)

fundamental analysisfinancial ratios

A profitability ratio measuring how effectively a company generates profit from shareholders' equity.

Return on Investment (ROI)

performancebasics

A performance measure that compares the gain or loss on an investment relative to the amount invested.

Revenue

financial statementsfundamental analysis

The total income a company generates from its business activities before expenses are deducted.

Risk Tolerance

risk managementpersonal finance

An investor's ability and willingness to endure fluctuations, losses, and uncertainty in pursuit of returns.

Risk-Reward Ratio

risk management

A comparison between the potential profit of a trade or investment and the potential loss if it goes wrong.

RSI (Relative Strength Index)

technical analysis

A momentum indicator used in technical analysis to assess the speed and magnitude of recent price changes, often to identify overbought or oversold conditions.

Sector

market structureequities

A broad segment of the economy that groups companies with similar business activities, such as technology, healthcare, finance, or energy.

Security

basicsinstruments

A tradable financial instrument representing some type of financial value, such as stocks, bonds, options, or fund shares.

Settlement

trading mechanicsmarket structure

The completion of a securities transaction in which the buyer receives the security and the seller receives payment.

Shareholder Equity

financial statementsfundamental analysis

The residual interest in a company's assets after liabilities are subtracted, representing the owners' claim on the business.

Sharpe Ratio

performancerisk management

A risk-adjusted performance metric that compares excess return to volatility, used to evaluate how efficiently an investment generates return per unit of risk.

Short Interest

trading mechanicsmarket structure

The total number of shares currently sold short and not yet covered or closed out, often used to gauge bearish sentiment or squeeze potential.

Short Selling

trading mechanics

Selling borrowed shares with the expectation of buying them back later at a lower price; losses can be substantial if the price rises instead.

Small-Cap Stock

equitiesmarket structure

A stock of a relatively small company by market capitalization, often associated with higher growth potential but also higher risk and volatility.

Spread

trading mechanicsfixed income

The difference between two related prices, rates, or yields; in trading, it often refers to the bid-ask spread.

Stock Split

equitiescorporate actions

A corporate action that increases the number of outstanding shares while proportionally reducing the price per share, without changing the company's overall market value.

Stop-Loss Order

order typesrisk management

An order designed to limit losses by triggering a sale once a security reaches a specified price, though execution can differ in fast-moving markets.

Support

technical analysis

A price level where an asset has historically attracted buying interest, making further decline harder at that level.

Swing Trading

strategiestrading mechanics

A trading approach that seeks to profit from short- to medium-term price moves, typically holding positions for several days to a few weeks.

Technical Analysis

analysis

The study of price, volume, chart patterns, and market indicators to evaluate securities and identify possible trading opportunities.

Terminal Value

valuationfundamental analysis

The estimated value of a business beyond the explicit forecast period in a discounted cash flow valuation model.

Ticker Symbol

market structureequities

The short code used to identify a publicly traded security on an exchange or trading platform.

Time Horizon

portfolio managementpersonal finance

The length of time an investor expects to hold an investment before needing the money or reassessing the strategy.

Trailing Stop

order typesrisk management

A stop order that automatically adjusts as the market price moves in a favorable direction, helping lock in gains while still limiting downside.

Treasury Bond

fixed incomeinstruments

A long-term debt security issued by the U.S. government, generally regarded as having very low credit risk.

Trend

technical analysismarket structure

The general direction in which a market or security is moving over a period of time, such as upward, downward, or sideways.

Undervaluation

valuationfundamental analysis

A condition in which a security appears to be trading below its estimated intrinsic or fundamental value.

Unrealized Gain

returnsportfolio management

An increase in the value of an investment that has occurred but has not been locked in through a sale.

Unrealized Loss

returnsportfolio management

A decline in the value of an investment that has occurred but has not been realized through a sale.

Upside

valuationperformance

The estimated potential increase in the price or value of an investment from its current level.

Value Investing

strategiesfundamental analysis

An investment approach focused on buying securities believed to trade below their intrinsic value, often emphasizing fundamentals, margin of safety, and long-term patience.

Value Stock

equitiesstrategies

A stock considered inexpensive relative to fundamentals such as earnings, assets, cash flow, or historical valuation measures.

Valuation

valuationanalysis

The process of estimating the worth of a company, asset, or security using market-based, asset-based, or income-based methods.

Volatility

risk management

A measure of how much and how quickly the price of a security or market fluctuates over time, often used as an indicator of risk.

Volume

technical analysismarket structure

The number of shares or contracts traded in a security during a given time period, often used to confirm price trends or market interest.

Watchlist

portfolio managementtrading mechanics

A personalized list of securities an investor or trader monitors for potential opportunities, research, or portfolio actions.

Weighted Average Cost

portfolio managementaccounting

An average purchase cost per unit or share, weighted by the number of units acquired at each price point.

Working Capital

financial statementsfundamental analysis

A measure of short-term financial health calculated as current assets minus current liabilities, indicating a company's ability to meet near-term obligations.

XIRR

performanceportfolio management

An annualized return calculation used for cash flows that occur at irregular intervals, commonly used to measure personal portfolio performance more accurately than simple return methods.

Yield

instruments

The income return on an investment, such as interest or dividends, typically expressed as a percentage of the investment's current price or cost.

Yield Curve

fixed incomemacro

A graph showing the relationship between interest rates and maturities for similar debt securities, commonly used to assess market expectations and economic conditions.

YoY (Year over Year)

analysisbusiness metrics

A comparison of financial or operating performance with the same period in the previous year, used to analyze growth trends while reducing seasonality effects.

Zero-Coupon Bond

fixed incomeinstruments

A bond that does not make periodic interest payments and instead is issued at a discount, with the investor receiving face value at maturity.

Zone of Support

technical analysis

A price area rather than a single exact price where buying interest has historically emerged strongly enough to slow or reverse a decline.