Financial Glossary
250 financial terms explained in plain English — from stocks and options to retirement accounts and taxation. Built for American investors.
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1
An IRS information return that brokers and barter exchanges issue to report proceeds from securities sales, including the cost basis and holding period for covered securities, used by investors to prepare Form 8949 and Schedule D.
1099-DIVAn IRS information return issued by brokers and mutual fund companies to report dividends, capital gain distributions, and other investment income paid to investors during the tax year.
4
A 401(k) is an employer-sponsored, tax-advantaged retirement savings plan that allows employees to contribute a portion of their pre-tax or after-tax salary, with many employers offering a matching contribution.
403(b)A 403(b) is a tax-advantaged retirement savings plan available to employees of public schools, non-profit organizations, and certain other tax-exempt entities, functioning similarly to a 401(k) but with a few unique provisions.
457(b)A 457(b) is a tax-advantaged deferred compensation retirement plan available to employees of state and local governments and certain non-profit organizations, notable for its unique double contribution rule and no early withdrawal penalty.
A
An accredited investor is an individual or entity that meets specific financial thresholds set by the SEC and is therefore permitted to invest in private securities offerings that are exempt from standard registration requirements.
AcquisitionAn acquisition is a corporate transaction in which one company — the acquirer — purchases a controlling stake in or the entire ownership of another company — the target — either through purchasing its shares, assets, or through a merger agreement.
Active vs Passive ManagementActive management involves portfolio managers making deliberate security selection and timing decisions in an attempt to outperform a benchmark, while passive management seeks to replicate a benchmark index at minimal cost with no attempt to beat it.
Adjusted Gross IncomeA taxpayer's total gross income minus specific above-the-line deductions allowed by the IRS, serving as the key income figure on Form 1040 and the basis for calculating eligibility for many credits, deductions, and tax provisions.
After-Hours TradingAfter-hours trading refers to the buying and selling of securities on U.S. markets outside of regular stock exchange trading hours (9:30 a.m. to 4:00 p.m. Eastern Time), encompassing both pre-market sessions (typically 4:00 a.m. to 9:30 a.m. ET) and after-market sessions (4:00 p.m. to 8:00 p.m. ET) via electronic communication networks (ECNs). It offers extended access but comes with reduced liquidity and wider bid-ask spreads.
All or NoneAn all-or-none (AON) order instructs a broker to execute an order only if the entire quantity can be filled; unlike a fill or kill order, it does not require immediate execution and may remain active until cancelled.
AlphaAlpha is a measure of an investment's or portfolio manager's performance relative to a benchmark index, representing the excess return generated above what would be predicted by the portfolio's market exposure alone.
Alternative Minimum TaxA parallel federal income tax system under IRC Sections 55-59 designed to ensure that high-income taxpayers who benefit from significant deductions and exclusions still pay a minimum level of income tax.
Annual Report (10-K)The Annual Report on Form 10-K is the comprehensive annual filing that U.S. public companies must submit to the SEC, providing a detailed account of the company's financial performance, business operations, risk factors, and management's analysis for the fiscal year.
Asset AllocationAsset allocation is the strategy of dividing an investment portfolio among different asset classes — such as stocks, bonds, and cash — based on an investor's goals, time horizon, and risk tolerance.
AssignmentAssignment is the process by which the seller (writer) of an options contract is obligated to fulfill the terms of the contract — either delivering 100 shares (call assignment) or purchasing 100 shares (put assignment) — when the buyer exercises their option.
At the MoneyAn option is 'at the money' (ATM) when the strike price is equal to or very close to the current market price of the underlying stock, resulting in minimal or zero intrinsic value.
Authorized ParticipantAn authorized participant (AP) is a large financial institution — typically a major bank or market maker — that has a contractual agreement with an ETF issuer to create or redeem large blocks of ETF shares directly with the fund.
Average True RangeAverage True Range (ATR) is a volatility indicator developed by J. Welles Wilder Jr. that measures the average magnitude of a security's historical price movements over a specified period, incorporating gaps between sessions to capture the full range of price activity.
B
A backdoor Roth IRA is a legal tax strategy that allows high-income earners who exceed the Roth IRA income limits to fund a Roth IRA indirectly by making a non-deductible Traditional IRA contribution and then converting it to a Roth IRA.
Balance SheetThe balance sheet is a financial statement that shows a company's assets, liabilities, and shareholders' equity at a specific point in time, providing a snapshot of what the company owns, what it owes, and the residual interest of its owners.
Bear MarketA bear market is a sustained decline in stock prices of 20% or more from recent highs in a broad index such as the S&P 500, typically accompanied by widespread pessimism, declining economic activity, and reduced investor risk appetite. Bear markets are the counterpart to bull markets in the cycle of U.S. equity markets.
Bear Market RallyA bear market rally is a short-term, sharp upward move in stock prices within the context of a larger, ongoing bear market — typically driven by short-covering, oversold technical conditions, or positive but ultimately temporary news — that subsequently gives way to a resumption of the broader downtrend.
BenchmarkA benchmark is a standard index or reference portfolio against which the performance of an investment strategy or fund manager is measured and evaluated.
Beneficiary IRAA Beneficiary IRA (also called an Inherited IRA) is an IRA established to receive assets from a deceased person's IRA or employer plan, with distribution rules that differ significantly from those applying to the original account owner.
Best ExecutionBest execution is the regulatory obligation requiring broker-dealers to seek the most favorable terms reasonably available when executing customer orders, considering factors such as price, speed, likelihood of execution, and order size.
BetaBeta is a measure of an investment's sensitivity to movements in the overall market, with a beta of 1.0 indicating that the asset moves in line with the market and higher or lower values indicating greater or lesser volatility relative to the market.
Bid-Ask SpreadThe bid-ask spread is the difference between the highest price a buyer is willing to pay for a security (the bid) and the lowest price a seller is willing to accept (the ask or offer), representing the implicit cost of transacting in a security and the primary source of compensation for market makers. A narrower spread indicates greater liquidity.
BitcoinBitcoin (BTC) is the first and largest cryptocurrency by market capitalization, a decentralized digital currency that operates on a peer-to-peer network without a central bank or single administrator.
BlockchainA blockchain is a distributed, immutable digital ledger that records transactions in chronologically ordered blocks, each cryptographically linked to the previous one, creating a tamper-resistant record shared across a decentralized network of computers.
Blue Chip StockA blue chip stock is a share in a large, nationally recognized, financially stable, and well-established corporation with a long track record of consistent performance and often a history of paying dividends through various economic cycles. The term originates from poker, where blue chips traditionally carry the highest value.
Bollinger BandsBollinger Bands are a volatility indicator consisting of a simple moving average flanked by two bands plotted at a specified number of standard deviations above and below the average, designed to characterize the historical relationship between price and price variability.
BondA bond is a fixed income security that represents a loan made by an investor to a borrower — typically a corporation or government — in exchange for periodic interest payments and the return of the principal at maturity.
Bond ETFA bond ETF is an exchange-traded fund that holds a portfolio of bonds — government, corporate, municipal, or a blend — and trades on a stock exchange, providing fixed-income exposure with stock-like liquidity.
Bond RatingA bond rating is an independent assessment of a bond issuer's creditworthiness and ability to meet its debt obligations, assigned by credit rating agencies such as Moody's, S&P Global, and Fitch on standardized letter-grade scales.
Book ValueBook value is the net asset value of a company as recorded on its balance sheet — total assets minus total liabilities — and represents the theoretical amount shareholders would receive if the company were liquidated at accounting values.
Bull MarketA bull market is a sustained period during which stock prices are rising or are expected to rise, commonly defined as a gain of 20% or more from a recent low in a broad market index such as the S&P 500. Bull markets are typically accompanied by strong economic growth, low unemployment, and high investor confidence.
C
A call option is a financial contract that grants the buyer the right, but not the obligation, to purchase 100 shares of an underlying stock at a specified strike price on or before the expiration date.
Candlestick ChartA candlestick chart is a type of financial chart that displays the open, high, low, and closing price of a security for a specified time period using a 'candle' shape, with the body representing the open-to-close range and the wicks extending to the period high and low.
Capital Gains TaxA tax levied on the profit realized from the sale of a capital asset, such as stocks, bonds, or real estate, when the proceeds exceed the original purchase price.
Cash DividendA cash dividend is a direct payment of money from a company's earnings to its shareholders, typically distributed quarterly, as a way to return capital to investors and signal financial health.
Cash Flow StatementThe cash flow statement is one of the three core financial statements, showing all actual cash inflows and outflows over a reporting period, organized into operating, investing, and financing activities.
Catch-Up ContributionA catch-up contribution is an additional amount that individuals aged 50 or older are permitted to contribute to their retirement accounts above the standard annual limit, designed to help those approaching retirement accelerate their savings.
Circuit BreakerA circuit breaker is a regulatory mechanism that temporarily halts trading on U.S. stock exchanges when prices decline sharply within a single session, designed to prevent panic-driven market freefall and allow time for information to be absorbed and rational pricing to reassert itself. Market-wide circuit breakers in the U.S. are triggered based on percentage declines in the S&P 500.
Compound InterestCompound interest is the process by which interest (or investment returns) is earned not only on the original principal but also on all previously accumulated interest, causing wealth to grow at an accelerating rate over time.
Consumer Confidence IndexThe Consumer Confidence Index (CCI) is a monthly survey-based measure published by The Conference Board that assesses U.S. consumers' optimism or pessimism about current economic conditions and their expectations for the next six months, serving as a leading indicator of consumer spending and overall economic activity.
Consumer Price IndexThe Consumer Price Index (CPI) is a monthly measure published by the Bureau of Labor Statistics (BLS) that tracks the average change in prices paid by urban U.S. consumers for a fixed basket of goods and services, and it is the most widely cited gauge of retail inflation in the United States.
Convertible BondA convertible bond is a corporate bond that gives the holder the right to convert the bond into a specified number of the issuer's common shares at a predetermined price, combining fixed income characteristics with equity upside potential.
Corporate BondA corporate bond is a debt security issued by a corporation to raise capital, offering investors regular coupon payments and the return of principal at maturity in exchange for lending money to the company.
CorrelationCorrelation is a statistical measure ranging from -1 to +1 that quantifies the degree to which two assets tend to move together, and is a foundational input in portfolio construction and diversification analysis.
Cost BasisThe original value of an asset for tax purposes, typically the purchase price plus commissions and fees, used to calculate capital gains or losses when the asset is sold.
Coupon RateThe coupon rate is the annual interest rate paid by a bond issuer on the face value of the bond, expressed as a percentage and typically distributed to bondholders in semi-annual payments.
Covered CallA covered call is an options strategy in which an investor who already owns 100 shares of a stock sells one call option against those shares to collect premium income while accepting a cap on upside gains.
Creation UnitA creation unit is a large, fixed block of ETF shares — typically 25,000 to 100,000 shares — that authorized participants exchange with ETF issuers in the in-kind creation and redemption process.
Credit RatingA credit rating is an independent assessment of the creditworthiness of a borrower — whether a corporation, government, or financial instrument — expressed as a letter grade that indicates the likelihood the borrower will repay its debt obligations on time and in full.
Cryptocurrency ExchangeA cryptocurrency exchange is a platform that facilitates the buying, selling, and trading of cryptocurrencies, functioning similarly to a traditional stock exchange but operating with varying levels of regulatory oversight depending on jurisdiction.
Current RatioThe current ratio measures a company's ability to meet its short-term obligations using its short-term assets, and is a primary indicator of near-term liquidity health.
D
A dark pool is a private electronic trading venue where institutional investors can buy and sell large blocks of securities away from public exchanges, with order information withheld from the broader market until after execution.
Day OrderA day order is a buy or sell instruction that expires automatically at the end of the regular trading session on the day it is entered, if it has not been executed by that time.
Debt-to-Equity RatioThe debt-to-equity ratio (D/E) compares a company's total debt obligations to its shareholders' equity, measuring the degree to which a company is financing its operations through borrowing versus owner funds.
DeltaDelta is an options Greek that measures how much an option's price is expected to change for every $1 move in the underlying stock's price, ranging from 0 to 1 for calls and -1 to 0 for puts.
Discounted Cash FlowDiscounted cash flow (DCF) is a valuation method that estimates the present value of an investment by projecting its future cash flows and discounting them back to today using an appropriate rate of return.
DiversificationDiversification is the practice of spreading investments across multiple assets, sectors, geographies, and asset classes so that poor performance in any single holding does not severely damage the overall portfolio.
DividendA dividend is a distribution of a portion of a company's earnings to its shareholders, typically paid in cash on a per-share basis at regular intervals (quarterly in most U.S. companies) as authorized by the company's board of directors. Dividends represent one of the two primary ways equity investors receive returns, the other being capital appreciation.
Dividend YieldDividend yield measures the annual dividend payment as a percentage of the current stock price, showing how much income an investor receives for each dollar invested in a dividend-paying stock.
Dollar Cost AveragingDollar cost averaging (DCA) is the practice of investing a fixed dollar amount at regular intervals regardless of market conditions, which results in buying more shares when prices are low and fewer shares when prices are high.
Dow Jones Industrial AverageThe Dow Jones Industrial Average (DJIA) is a price-weighted index tracking 30 large, blue-chip U.S. companies listed on the NYSE and NASDAQ, serving as one of the oldest and most widely recognized indicators of U.S. stock market performance. It was created by Charles Dow and Edward Jones in 1896.
DurationDuration is a measure of a bond's price sensitivity to changes in interest rates, expressed in years; the higher the duration, the more a bond's price will change for a given shift in yields.
E
The early withdrawal penalty is a 10% federal tax imposed on distributions taken from most retirement accounts before age 59½, in addition to ordinary income tax owed on the distribution amount.
Earnings Per ShareEarnings per share (EPS) represents a company's net profit allocated to each outstanding share of common stock, and serves as the primary building block for most equity valuation metrics.
EBITDAEBITDA stands for Earnings Before Interest, Taxes, Depreciation, and Amortization, and is widely used as a proxy for operating cash flow and a key input in leveraged buyout (LBO) and M&A valuation.
Effective Tax RateThe average rate at which a taxpayer's total income is taxed, calculated by dividing total tax liability by total taxable income, reflecting the blended impact of all applicable tax brackets.
Efficient Market HypothesisThe Efficient Market Hypothesis (EMH) is an academic theory asserting that asset prices fully reflect all available information at any given time, making it impossible to consistently achieve above-average returns through stock picking or market timing.
Emergency FundAn emergency fund is a dedicated savings reserve held in liquid, low-risk accounts specifically to cover unexpected expenses or income disruption, such as a job loss, medical bill, or major car repair.
Employer MatchAn employer match is a contribution made by an employer into an employee's retirement account that is tied to the employee's own contributions, effectively providing additional compensation contingent on the employee's participation in the plan.
Enterprise ValueEnterprise value (EV) represents the theoretical total cost to acquire a business — including both equity and debt obligations, net of cash — and is used as a capital-structure-neutral measure of company size and value.
EquityEquity refers to the ownership interest in a company represented by stock, calculated as the company's total assets minus its total liabilities. In corporate finance and investing, equity is a fundamental concept that underpins how ownership, value, and returns are measured.
Estimated Tax PaymentsQuarterly prepayments of income tax made directly to the IRS by taxpayers whose income is not fully covered by withholding, including investors with significant capital gains, dividends, or other investment income.
EthereumEthereum is a decentralized, open-source blockchain platform that supports smart contracts and decentralized applications (dApps), with Ether (ETH) serving as its native cryptocurrency.
Exchange-Traded FundAn exchange-traded fund (ETF) is an investment fund that holds a basket of securities and trades on a stock exchange throughout the day, just like an individual stock.
Expense RatioThe expense ratio is the annual fee that a fund charges shareholders, expressed as a percentage of average assets under management, covering the cost of operating the fund.
Expiration DateThe expiration date is the last trading day on which an options contract can be exercised or sold, after which the contract becomes void and worthless if not in the money.
F
The Federal Deposit Insurance Corporation (FDIC) is an independent U.S. government agency that insures deposits at member banks and savings institutions up to $250,000 per depositor, per institution, per ownership category.
Federal Funds RateThe federal funds rate is the interest rate at which U.S. commercial banks lend their excess reserves to one another overnight, and it serves as the primary tool the Federal Reserve uses to implement monetary policy.
Federal Open Market CommitteeThe Federal Open Market Committee (FOMC) is the monetary policy-making body of the Federal Reserve System, responsible for setting the target federal funds rate and overseeing open market operations, and it meets eight times per year to assess economic conditions and adjust policy accordingly.
Federal ReserveThe Federal Reserve, commonly called 'the Fed,' is the central banking system of the United States, responsible for conducting monetary policy, supervising financial institutions, and maintaining the stability of the financial system.
Fibonacci RetracementFibonacci retracement is a technical analysis tool that plots horizontal price levels at specific percentage ratios derived from the Fibonacci number sequence — most commonly 23.6%, 38.2%, 50%, 61.8%, and 78.6% — to identify historically significant price zones within a prior price swing.
Fiduciary DutyFiduciary duty is the highest legal standard of care in financial services, requiring that a fiduciary act solely in the best interests of their client rather than in their own interest or the interest of any third party.
FIFOAn IRS-recognized cost basis accounting method that assumes the shares purchased first are sold first when only some shares of a holding are disposed of, determining which lots' basis and holding periods apply to the sale.
Fill or KillA fill or kill (FOK) order requires that the entire order be executed immediately and in full; if the order cannot be completely filled at once, it is cancelled outright with no partial execution permitted.
FINRAFINRA (Financial Industry Regulatory Authority) is a self-regulatory organization that oversees broker-dealers and their registered representatives in the United States.
FIRE MovementThe FIRE movement — Financial Independence, Retire Early — is a personal finance philosophy centered on achieving financial independence well before traditional retirement age through aggressive saving, frugal living, and strategic investing.
FloatFloat (or public float) refers to the number of a company's shares that are freely available for trading by the general public, excluding shares held by company insiders, major institutional shareholders subject to lock-up agreements, and shares held in employee stock option plans. Float is a more practical measure of trading liquidity than total shares outstanding.
Form 13FForm 13F is a quarterly SEC filing required from institutional investment managers with at least $100 million in qualifying assets, disclosing their long equity positions to the public.
Form 4Form 4 is an SEC disclosure document that corporate insiders — officers, directors, and 10%-or-greater shareholders — must file within two business days of any change in their ownership of company securities.
Form 8949An IRS tax form used to report sales and dispositions of capital assets, providing a line-by-line record of each transaction that feeds into Schedule D for the calculation of total capital gains and losses.
Free Cash FlowFree cash flow (FCF) is the cash a company generates after paying for operating expenses and capital expenditures, representing the true cash available to return to shareholders, pay down debt, or fund acquisitions.
G
Gamma measures the rate of change of an option's delta for every $1 move in the underlying stock price — essentially the acceleration of the option's price sensitivity.
Gift Tax BasisWhen a capital asset is received as a gift, the recipient generally inherits the donor's original cost basis (carryover basis), meaning any pre-existing unrealized gain transfers to the recipient for future capital gains tax purposes.
Good-Till-Cancelled OrderA good-till-cancelled (GTC) order is a buy or sell instruction that remains active until it is either executed or explicitly cancelled by the investor, as opposed to expiring at the end of the trading day.
Gross Domestic ProductGross Domestic Product (GDP) is the total monetary value of all final goods and services produced within a country's borders during a specific time period, typically reported quarterly by the Bureau of Economic Analysis (BEA), and it is the broadest single measure of a nation's economic output.
Gross MarginGross margin measures the percentage of revenue retained after subtracting the direct costs of producing goods or services, and reflects a company's pricing power and production efficiency.
H
The head and shoulders is a historical chart pattern studied in technical analysis, characterized by three consecutive peaks — a taller central peak ('head') flanked by two shorter peaks ('shoulders') — that has historically been associated with trend reversals at market tops in examined historical price data.
High-Yield BondA high-yield bond — also called a junk bond — is a corporate bond rated below investment grade (below Baa3/BBB- by Moody's and S&P respectively), offering higher interest rates to compensate investors for the elevated risk of default.
Historical VolatilityHistorical volatility (HV) is the annualized standard deviation of a stock's daily price returns over a defined lookback period, measuring how much the stock has actually moved in the past.
HSA (Health Savings Account)A Health Savings Account (HSA) is a tax-advantaged account available to individuals enrolled in a high-deductible health plan (HDHP) that can be used to pay for qualified medical expenses, and doubles as a powerful stealth retirement account.
I
Implied volatility (IV) is the market's forward-looking estimate of how much an underlying stock's price will fluctuate over the life of an options contract, derived by reverse-engineering the options pricing model from the current market premium.
In the MoneyAn option is 'in the money' (ITM) when it has positive intrinsic value — meaning a call option's strike price is below the current stock price, or a put option's strike price is above the current stock price.
Index FundAn index fund is a type of investment fund designed to replicate the performance of a specific market index, such as the S&P 500, by holding the same securities in the same proportions.
InflationInflation is the general increase in prices across an economy over time, which reduces the purchasing power of money — meaning a given amount of cash buys less tomorrow than it does today.
Inflation RateThe inflation rate is the percentage change in the general price level of goods and services in an economy over a specified period — typically measured year-over-year — and in the United States it is most commonly tracked through the Consumer Price Index (CPI) and the Personal Consumption Expenditures (PCE) price index.
Insider TradingInsider trading refers to the buying or selling of a publicly traded security based on material, non-public information about that company, a practice that is illegal under U.S. securities law.
Interest RateAn interest rate is the cost of borrowing money, expressed as a percentage of the principal amount per unit of time — typically annually — and it represents both the price lenders charge for extending credit and the return depositors receive for saving.
Intrinsic ValueIntrinsic value is the true underlying worth of a business based on its future cash flow potential, and represents the price a rational, fully informed buyer would pay for the entire company — regardless of its current market price.
Intrinsic Value (Options)Intrinsic value in options is the portion of an option's premium that represents its immediate exercise value — the profit that would be realized if the option were exercised right now.
Inverse ETFAn inverse ETF is designed to deliver the opposite of its benchmark's daily return, allowing investors to profit when a market index or sector declines in value.
Inverted Yield CurveAn inverted yield curve occurs when short-term U.S. Treasury yields exceed long-term Treasury yields — most commonly when the 2-year yield rises above the 10-year yield — and it is historically regarded as one of the most reliable leading indicators of a U.S. recession.
Investment GradeInvestment grade refers to bonds or issuers rated Baa3/BBB- or higher by Moody's and S&P respectively, indicating a relatively low risk of default and making the securities eligible for purchase by many institutional investors governed by strict credit quality mandates.
IPOAn Initial Public Offering (IPO) is the process by which a private company offers its shares to the general public on a stock exchange for the first time, transitioning from private to public ownership and allowing it to raise capital from public investors. In the United States, IPOs are regulated by the SEC under the Securities Act of 1933.
Iron CondorAn iron condor is a four-leg options strategy that combines a bull put spread and a bear call spread on the same underlying stock or index, profiting when the price stays within a defined range until expiration.
L
Leading economic indicators are a set of statistical metrics that tend to change before the economy as a whole changes, providing advance signals of future economic activity and helping economists, policymakers, and investors anticipate turning points in the business cycle.
LEAPSLEAPS (Long-Term Equity AnticiPation Securities) are options contracts with expiration dates more than one year away — typically one to three years — available on many large-cap U.S. stocks and major indexes.
Leveraged ETFA leveraged ETF is a fund that uses financial derivatives and debt to amplify the daily returns of its underlying index, typically by a factor of two or three times.
Limit OrderA limit order is an instruction to execute a securities transaction at a specified price or better — a maximum price for a purchase order, or a minimum price for a disposition order — providing price certainty at the cost of execution certainty. Limit orders are a fundamental order type at all U.S. brokerages and exchanges.
Long-Term Capital GainsProfits from the sale of a capital asset held for more than one year, eligible for preferential federal tax rates of 0%, 15%, or 20% depending on the taxpayer's income.
M
MACD (Moving Average Convergence Divergence) is a trend-following momentum indicator that displays the relationship between two exponential moving averages of a security's price, commonly used to identify historical shifts in the pace and direction of price momentum.
Margin AccountA margin account is a brokerage account in which the broker lends the investor a portion of the purchase price of securities, allowing the investor to buy more than they could with their own capital alone, using the securities in the account as collateral.
Margin CallA margin call is a demand from a broker that an investor deposit additional funds or securities into a margin account to bring the account's equity back above the required maintenance margin level after market losses have reduced it below the minimum threshold.
Marginal Tax RateThe rate of tax applied to the last dollar of a taxpayer's taxable income — the highest tax bracket that the taxpayer's income reaches in the current progressive tax system.
Market CapitalizationMarket capitalization (market cap) is the total market value of a publicly traded company's outstanding shares, calculated by multiplying the current share price by the total number of shares outstanding. It is the most widely used measure of a company's size in financial markets.
Market OrderA market order is an instruction to purchase or liquidate a security immediately at the best available current price in the market, prioritizing speed of execution over price certainty. Market orders are the most basic order type offered by U.S. brokerages and are guaranteed to execute (assuming sufficient liquidity) but not at a specific price.
Mega Backdoor RothThe mega backdoor Roth is an advanced strategy that allows 401(k) participants whose plan permits after-tax contributions and in-service distributions to move up to tens of thousands of additional after-tax dollars into a Roth account each year.
MergerA merger is a corporate transaction in which two companies combine to form a single new entity, typically through an exchange of shares or cash, creating a combined organization intended to be more valuable than the sum of its parts.
Modern Portfolio TheoryModern Portfolio Theory (MPT) is a mathematical framework developed by Harry Markowitz in 1952 for constructing investment portfolios that maximize expected return for a given level of risk by optimally diversifying across assets.
Modified Adjusted Gross IncomeAdjusted gross income recalculated by adding back certain deductions and excluded income items, used by the IRS to determine eligibility for specific tax benefits such as Roth IRA contributions, the Net Investment Income Tax, and ACA premium tax credits.
Money MarketThe money market is the segment of the financial market where short-term debt instruments with maturities of one year or less — including Treasury bills, commercial paper, certificates of deposit, and repurchase agreements — are issued and traded.
Monte Carlo SimulationMonte Carlo simulation is a computational technique that uses repeated random sampling to model the probability distribution of possible outcomes for an investment portfolio or financial plan under conditions of uncertainty.
Moving AverageA moving average is a technical indicator that calculates the average closing price of a security over a specified number of past periods, updated continuously to smooth out short-term price fluctuations and reveal longer-term price trends.
Municipal BondA municipal bond — commonly called a 'muni' — is a debt security issued by a state, city, county, or other government entity to finance public projects, and whose interest income is typically exempt from federal income tax.
N
NASDAQ (National Association of Securities Dealers Automated Quotations) is the second-largest U.S. stock exchange by market capitalization and the world's first fully electronic stock market, known for listing many of America's leading technology companies. It operates as an electronic communication network rather than a physical trading floor.
NASDAQ CompositeThe NASDAQ Composite is a market-capitalization-weighted index that tracks more than 3,000 companies listed on the NASDAQ stock exchange, making it one of the broadest U.S. equity benchmarks and a widely used gauge of the technology and growth sector. It is heavily weighted toward technology, consumer discretionary, and healthcare companies.
Net Asset ValueNet asset value (NAV) is the per-share value of a fund, calculated by dividing the total value of all assets minus liabilities by the number of outstanding shares.
Net IncomeNet income is the profit remaining after all expenses — cost of goods sold, operating expenses, interest, taxes, and other charges — have been deducted from revenue, and represents the official 'bottom line' of the income statement.
Net Investment Income TaxA 3.8% surtax imposed by the Affordable Care Act on net investment income for taxpayers whose modified adjusted gross income exceeds $200,000 (single) or $250,000 (married filing jointly).
Net Unrealized AppreciationNet Unrealized Appreciation (NUA) is the difference between the cost basis of employer stock held in a 401(k) and its fair market value at the time of distribution, which can be taxed at favorable long-term capital gains rates rather than ordinary income tax rates if specific conditions are met.
Net WorthNet worth is the total financial value of an individual or household, calculated by subtracting all liabilities (debts) from all assets (everything owned of value).
Non-Farm PayrollsNon-farm payrolls (NFP) is the monthly count of net new jobs added to the U.S. economy excluding agricultural workers, private household employees, and non-profit organization employees, published by the Bureau of Labor Statistics in the Employment Situation Summary and widely regarded as the single most market-moving U.S. economic data release.
NYSEThe New York Stock Exchange (NYSE) is the world's largest stock exchange by market capitalization, located on Wall Street in New York City, where shares of thousands of U.S. and international corporations are listed and traded. Founded in 1792, the NYSE is operated by Intercontinental Exchange (ICE) and is regulated by the SEC.
O
On-Balance Volume (OBV) is a cumulative volume indicator developed by Joe Granville that adds each day's volume to a running total on up days and subtracts it on down days, used historically to study whether volume flow has been consistent with or diverging from the direction of price movement.
Open InterestOpen interest is the total number of outstanding (open) options contracts that have been created but not yet closed, exercised, or expired, serving as a measure of market participation and liquidity.
Operating MarginOperating margin measures the percentage of revenue remaining after all operating expenses — including cost of goods sold, selling, general and administrative costs, and R&D — have been paid, capturing the profitability of the core business before interest and taxes.
Options ChainAn options chain is a real-time table listing all available call and put option contracts for a particular stock or index, organized by expiration date and strike price, showing bid/ask prices, volume, open interest, and Greek values.
Ordinary DividendA dividend that does not meet the IRS holding period or source requirements to be treated as a qualified dividend, and is therefore taxed at the investor's ordinary income tax rate.
Out of the MoneyAn option is 'out of the money' (OTM) when it has no intrinsic value — a call whose strike price exceeds the current stock price, or a put whose strike price is below the current stock price.
Outstanding SharesOutstanding shares (or shares outstanding) refers to all shares of a company's stock that have been issued and are currently held by shareholders — including institutional investors, retail investors, and company insiders — but excluding treasury shares that have been repurchased and are held by the company itself. Outstanding shares form the basis for calculating key metrics including market capitalization and earnings per share.
P
Par value — also called face value or principal — is the nominal value of a bond as stated on the certificate, representing the amount the issuer promises to repay the bondholder at maturity.
Pattern Day TraderA pattern day trader (PDT) is any investor who executes four or more day trades within five business days in a margin account, triggering FINRA rules that require maintaining a minimum account equity of $25,000.
Payment for Order FlowPayment for order flow (PFOF) is the practice by which a retail broker receives compensation from a market maker or trading firm in exchange for routing the broker's customer orders to that firm for execution.
Payout RatioThe payout ratio measures the proportion of a company's earnings paid out as dividends, indicating how much of profits are returned to shareholders versus retained for reinvestment in the business.
PEG RatioThe PEG ratio adjusts the price-to-earnings ratio for expected earnings growth, helping investors determine whether a high-P/E stock is truly overvalued or simply priced to reflect superior growth prospects.
Penny StockA penny stock is a stock that trades at a low price, typically below $5 per share according to the SEC's definition, and is usually issued by a small company with limited operating history, low market capitalization, and minimal regulatory reporting requirements. Penny stocks in the U.S. often trade on OTC (over-the-counter) markets rather than on major exchanges like the NYSE or NASDAQ.
PremiumThe options premium is the price paid by the buyer to the seller (writer) of an option contract, representing the total market value of one contract covering 100 shares of the underlying stock.
Price-to-Book RatioThe price-to-book ratio (P/B) compares a company's market capitalization to its book value (net assets), offering a measure of how much investors are paying above — or below — the accounting value of the firm's assets.
Price-to-Earnings RatioThe price-to-earnings ratio (P/E) measures how much investors are willing to pay for each dollar of a company's earnings, and is one of the most widely used valuation metrics in fundamental analysis.
Price-to-Sales RatioThe price-to-sales ratio (P/S) compares a company's market capitalization to its annual revenue, providing a valuation yardstick particularly useful for companies that are not yet profitable.
Prime RateThe prime rate is a benchmark interest rate set by major U.S. commercial banks that is typically 3 percentage points above the federal funds rate, and it serves as the basis for pricing consumer and small-business loans including home equity lines of credit and credit cards.
Producer Price IndexThe Producer Price Index (PPI) is a monthly inflation measure published by the Bureau of Labor Statistics (BLS) that tracks changes in selling prices received by domestic producers for their output, covering goods, services, and construction, and it functions as a leading indicator of consumer inflation.
Protective PutA protective put is a hedging strategy in which an investor who owns 100 shares of stock buys one put option on those shares to limit downside losses while preserving unlimited upside potential.
Proxy StatementA proxy statement is an official document filed with the SEC and distributed to shareholders that provides the information needed to vote on matters at a company's annual or special meeting, including director elections, executive compensation, and major corporate proposals.
Purchasing Managers IndexThe Purchasing Managers Index (PMI) is a monthly survey-based diffusion index that measures the business conditions faced by purchasing managers in manufacturing and services sectors, with a reading above 50 indicating expansion and below 50 indicating contraction.
Put OptionA put option is a contract that gives the buyer the right, but not the obligation, to sell 100 shares of an underlying stock at a specified strike price on or before the expiration date.
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A qualified distribution is a withdrawal from a Roth IRA or Roth account that meets IRS requirements for being entirely free of federal income tax and the 10% early withdrawal penalty.
Qualified DividendA dividend that meets IRS requirements to be taxed at the lower long-term capital gains rates of 0%, 15%, or 20%, rather than as ordinary income.
Quantitative EasingQuantitative easing (QE) is an unconventional monetary policy tool in which the Federal Reserve purchases large quantities of longer-term securities — typically Treasury bonds and mortgage-backed securities — to inject liquidity into the financial system and push down long-term interest rates when short-term rates are already near zero.
Quarterly Report (10-Q)The Quarterly Report on Form 10-Q is a condensed financial report that U.S. public companies file with the SEC within 40–45 days of each of the first three fiscal quarters, providing updated financial statements and management's discussion of recent developments.
Quick RatioThe quick ratio (also called the acid-test ratio) measures a company's ability to meet short-term liabilities using only its most liquid assets — cash, marketable securities, and receivables — excluding inventory.
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Rebalancing is the process of realigning the proportions of a portfolio back to its target asset allocation by selling assets that have grown beyond their intended weight and buying those that have fallen below.
RecessionA recession is a significant, widespread, and prolonged downturn in economic activity, officially declared in the United States by the National Bureau of Economic Research (NBER) based on a range of indicators including GDP, employment, industrial production, and retail sales.
Regulation Fair DisclosureRegulation Fair Disclosure (Reg FD) is an SEC rule that prohibits public companies from selectively disclosing material non-public information to favored analysts or investors without simultaneously making that information available to the general public.
Regulation NMSRegulation NMS (National Market System) is a set of SEC rules adopted in 2005 that governs how U.S. equity markets are structured, requiring trade-throughs to be prevented and establishing a framework for fair access to market data and order execution across exchanges.
Relative Strength IndexThe Relative Strength Index (RSI) is a momentum oscillator developed by J. Welles Wilder Jr. that measures the speed and magnitude of recent price changes to characterize the relative pace of gains versus losses over a specified look-back period, typically 14 periods.
Required Minimum DistributionA Required Minimum Distribution (RMD) is the minimum amount the IRS mandates that holders of Traditional IRAs, 401(k)s, and most other pre-tax retirement accounts withdraw annually beginning at a specified age.
Resistance LevelIn technical analysis, a resistance level is a historical price area where selling pressure has previously been strong enough to halt or reverse an advancing price trend, characterized by recurring instances of the price stalling or reversing in that zone.
Return on EquityReturn on equity (ROE) measures how efficiently a company generates profit from its shareholders' equity, and is one of Warren Buffett's favorite indicators of business quality.
Return on Invested CapitalReturn on invested capital (ROIC) measures how effectively a company generates profit from all the capital deployed in its business — both equity and debt — and is widely regarded as the gold standard for assessing business quality.
RevenueRevenue is the total income a company earns from its primary business activities — selling products, providing services, or a combination of both — before any expenses are deducted.
Reverse Stock SplitA reverse stock split is a corporate action that reduces the number of a company's outstanding shares by combining multiple shares into fewer shares at a proportionally higher price, leaving total market capitalization unchanged.
Rights OfferingA rights offering is a corporate action that gives existing shareholders the right — but not the obligation — to purchase additional shares of the company at a discounted price, typically in proportion to their existing holdings, before the offer is extended to outside investors.
Risk ToleranceRisk tolerance is an investor's personal capacity and willingness to endure losses or volatility in their portfolio in pursuit of potentially higher returns.
Rollover IRAA Rollover IRA is a Traditional IRA that receives assets transferred from an employer-sponsored retirement plan such as a 401(k) or 403(b), typically when an employee leaves a job, allowing the funds to continue growing tax-deferred.
Roth ConversionA Roth conversion is the process of moving funds from a Traditional IRA, 401(k), or other pre-tax retirement account into a Roth IRA, triggering income tax on the converted amount in exchange for future tax-free growth and withdrawals.
Roth IRAA Roth IRA is an individual retirement account funded with after-tax dollars, offering tax-free growth and tax-free qualified withdrawals in retirement, with no required minimum distributions during the owner's lifetime.
Rule of 55The Rule of 55 is an IRS provision that allows employees who separate from service at age 55 or older to take penalty-free distributions from their current employer's 401(k) or 403(b) plan without incurring the standard 10% early withdrawal penalty.
Rule of 72The Rule of 72 is a simple mental math shortcut that estimates how many years it takes for an investment to double in value by dividing the number 72 by the annual rate of return.
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The S&P 500 (Standard & Poor's 500) is a market-capitalization-weighted index that tracks the performance of 500 of the largest publicly traded companies listed on U.S. stock exchanges, widely regarded as the most representative benchmark of the overall U.S. equity market. It is maintained by S&P Dow Jones Indices.
Sarbanes-Oxley ActThe Sarbanes-Oxley Act of 2002 (SOX) is a landmark U.S. federal law that established sweeping corporate governance and financial disclosure reforms in the aftermath of major accounting scandals including Enron and WorldCom.
Schedule DAn IRS tax schedule attached to Form 1040 that summarizes an investor's total capital gains and losses for the year, combining short-term and long-term results to determine the net taxable capital gain or deductible capital loss.
SEC (Securities and Exchange Commission)The SEC is the primary federal agency responsible for enforcing securities laws, regulating markets, and protecting investors in the United States.
Sector ETFA sector ETF is an exchange-traded fund that concentrates its holdings in companies from a specific segment of the economy, such as technology, healthcare, energy, or financials.
SECURE ActThe SECURE Act (Setting Every Community Up for Retirement Enhancement) is landmark U.S. retirement legislation enacted in 2019 and expanded in 2022 (SECURE Act 2.0) that made sweeping changes to RMD ages, IRA contribution rules, inherited IRA treatment, and automatic enrollment requirements.
SEP IRAA SEP IRA (Simplified Employee Pension IRA) is a retirement plan designed for self-employed individuals and small business owners, allowing contributions of up to 25% of compensation with a much higher dollar ceiling than standard IRAs.
ShareA share is a single unit of ownership in a company or financial asset, representing the smallest denomination into which a company's stock is divided. Owning shares entitles the holder to a proportional claim on the company's profits and assets.
Sharpe RatioThe Sharpe ratio measures risk-adjusted return by calculating how much excess return an investment generates per unit of total risk (standard deviation), allowing meaningful comparison between investments with different risk profiles.
Short SellingShort selling is an investment strategy in which an investor borrows shares of a security and sells them with the expectation of repurchasing them later at a lower price, profiting from the difference if the price declines.
Short-Term Capital GainsProfits from the sale of a capital asset held for one year or less, taxed at the investor's ordinary income tax rate rather than the preferential long-term capital gains rates.
SIMPLE IRAA SIMPLE IRA (Savings Incentive Match Plan for Employees) is a retirement plan for businesses with 100 or fewer employees that allows both employee salary deferrals and mandatory employer contributions, with easier administration than a 401(k).
SIPCThe Securities Investor Protection Corporation (SIPC) is a nonprofit membership corporation that protects customers of failed SIPC-member brokerage firms, covering up to $500,000 in securities and cash — including up to $250,000 in cash — per customer account.
Social SecuritySocial Security is a federal insurance program that provides retirement, disability, and survivor benefits to eligible workers and their families, funded through payroll taxes and representing the single largest source of retirement income for most Americans.
Special DividendA special dividend is a one-time, non-recurring cash payment made to shareholders by a company, typically funded by exceptional earnings, asset sales, or accumulated cash surpluses, and distinct from the company's regular dividend program.
Specific IdentificationA cost basis accounting method that allows investors to choose exactly which tax lots are being sold when disposing of a partial position, enabling precise control over the realized gain, loss, and holding period of each transaction.
Spin-OffA spin-off is a corporate transaction in which a parent company separates a subsidiary or business unit into an independent publicly traded company by distributing shares of the new entity to existing shareholders on a pro-rata basis.
SPY (SPDR S&P 500 ETF)SPY is the ticker symbol for the SPDR S&P 500 ETF Trust, the oldest and most heavily traded ETF in the world, managed by State Street Global Advisors and designed to track the S&P 500 Index.
StablecoinA stablecoin is a type of cryptocurrency designed to maintain a stable value, typically pegged to a fiat currency such as the U.S. dollar, by holding reserves or through algorithmic mechanisms to prevent the extreme price volatility characteristic of other cryptocurrencies.
Standard DeviationStandard deviation is a statistical measure of the dispersion of returns around the average, used in finance as the primary measure of investment volatility and total risk.
Step-Up in BasisA tax provision under IRC Section 1014 that resets the cost basis of an inherited asset to its fair market value on the date of the decedent's death, eliminating any capital gains tax on appreciation that occurred during the deceased's lifetime.
StockA stock is a financial instrument that represents a unit of ownership in a corporation, entitling the holder to a proportional claim on the company's assets and earnings. In the United States, stocks are bought and sold on regulated exchanges such as the NYSE and NASDAQ.
Stock BuybackA stock buyback — also called a share repurchase — occurs when a company uses its own cash to purchase its outstanding shares from the open market or directly from shareholders, reducing the total share count and typically increasing earnings per share.
Stock DividendA stock dividend is a dividend paid to shareholders in the form of additional shares of the company rather than cash, proportionally increasing the number of shares outstanding while leaving each shareholder's ownership percentage unchanged.
Stock SplitA stock split is a corporate action in which a company increases its total number of outstanding shares by issuing additional shares to existing shareholders in proportion to their holdings, reducing the price per share by the same ratio without changing the company's total market capitalization. The most common split ratios in U.S. markets are 2-for-1 and 3-for-1.
Stop-Loss OrderA stop-loss order is an instruction placed with a broker to sell a security automatically once its price falls to a specified level, limiting the investor's potential loss on the position.
StraddleA straddle is an options strategy that involves buying (or selling) both a call and a put at the same strike price and expiration date on the same underlying stock, profiting from large price moves in either direction (long) or from sideways movement (short).
StrangleA strangle is an options strategy involving the purchase (or sale) of an out-of-the-money call and an out-of-the-money put on the same underlying stock and expiration date, at different strike prices.
Strike PriceThe strike price (also called the exercise price) is the fixed price at which the holder of an option contract can buy (call) or sell (put) 100 shares of the underlying stock.
Support LevelIn technical analysis, a support level is a historical price area where buying interest has previously been strong enough to halt or reverse a declining price trend, characterized by recurring instances of the price stabilizing or bouncing in that zone.
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A target date fund is an all-in-one mutual fund designed for retirement saving that automatically shifts its asset allocation from aggressive to conservative as the investor approaches a selected target retirement year.
Tax BracketA range of taxable income to which a specific marginal tax rate applies under the U.S. federal progressive income tax system, with higher brackets applying to successively higher portions of income.
Tax-DeferredA classification for investment growth or income that is not subject to current-year taxation but will be taxed as ordinary income when withdrawn or realized in the future, commonly associated with traditional IRAs, 401(k) plans, and annuities.
Tax-Loss HarvestingAn investment strategy that involves deliberately selling securities at a loss to offset capital gains elsewhere in a portfolio, thereby reducing the investor's current tax liability.
Tender OfferA tender offer is a public bid by an acquirer directly to a company's shareholders to purchase some or all of their shares at a specified price — usually at a premium to the current market price — within a defined time period.
ThetaTheta is the options Greek that quantifies time decay — the amount by which an option's premium decreases each calendar day as expiration approaches, all other factors remaining constant.
Ticker SymbolA ticker symbol (or stock ticker) is an abbreviation of letters (and sometimes numbers) used to uniquely identify a publicly traded security on a stock exchange. In the United States, NYSE-listed companies typically use one-to-three-letter symbols, while NASDAQ-listed companies typically use four or five letters.
Time HorizonTime horizon is the length of time an investor expects to hold an investment or maintain an investment strategy before needing access to the funds.
Time ValueTime value (or extrinsic value) is the portion of an options premium that exceeds the option's intrinsic value, reflecting the additional worth attributed to the time remaining before expiration and the potential for the option to move further into the money.
Total ReturnTotal return is the complete gain or loss on an investment over a period, including both price appreciation (or depreciation) and any income received such as dividends or interest payments.
Tracking ErrorTracking error measures how closely an index fund or ETF follows its benchmark index, expressed as the standard deviation of the difference between fund returns and index returns over a given period.
Traditional IRAA Traditional IRA is an individual retirement account that allows eligible individuals to make potentially tax-deductible contributions, with investment gains growing tax-deferred until withdrawn in retirement.
Trailing StopA trailing stop is a dynamic stop-loss order that moves in lockstep with a rising security price by a fixed dollar amount or percentage, locking in gains while still protecting against significant reversals.
Treasury BillA Treasury bill (T-bill) is a short-term U.S. government debt obligation with a maturity of one year or less, sold at a discount to face value and redeemed at par, with the difference representing the investor's return.
Treasury BondA Treasury bond (T-bond) is a long-term U.S. government debt security with a maturity of 20 or 30 years that pays semi-annual interest (coupon payments) and returns the principal at maturity.
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Vega measures the sensitivity of an option's price to a one-percentage-point change in implied volatility, quantifying how much the premium rises or falls as volatility expectations shift.
Vesting ScheduleA vesting schedule is a timeline established by an employer that determines when an employee gains full ownership of employer-contributed retirement benefits, such as matching contributions or profit-sharing allocations.
VolumeVolume in stock market context refers to the total number of shares of a security that are traded during a given time period, typically a single trading day. It is one of the most closely watched data points in financial markets, used by traders and analysts to gauge the strength of price movements and market interest in a particular security.
Volume Weighted Average PriceVolume Weighted Average Price (VWAP) is the average price at which a security has traded throughout a trading day, weighted by the volume of each transaction, giving greater influence to price levels where larger quantities of shares have historically changed hands.
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An IRS rule under Section 1091 that disallows a claimed capital loss if the investor purchases a substantially identical security within 30 days before or after the sale that generated the loss.
Working CapitalWorking capital is the difference between a company's current assets and current liabilities, representing the short-term liquidity buffer available to fund day-to-day operations.
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The yield curve is a graphical representation of interest rates across different maturities for U.S. Treasury securities at a single point in time, typically sloping upward to reflect higher yields for longer-term bonds.
Yield to MaturityYield to maturity (YTM) is the total annualized return an investor can expect to earn if a bond is purchased at its current price and held until it matures, assuming all coupon payments are reinvested at the same rate.