Investment Glossary

Essential investment terms and definitions to help you understand the language of finance and investing.

This glossary contains 60+ essential investment terms to help you understand financial markets and investing.

A

Alpha

A measure of an investment's performance compared to a benchmark. Positive alpha means the investment outperformed; negative alpha means underperformance.

Annual Return

The percentage gain or loss on an investment over a one-year period, including dividends and capital gains.

Appreciation

An increase in the value of an asset over time. The opposite is depreciation.

Asset

Anything of value that can be owned, including stocks, bonds, real estate, cash, and commodities.

Asset Allocation

The strategy of dividing investments among different asset categories like stocks, bonds, and cash to balance risk and reward based on goals and risk tolerance.

B

Bear Market

A market condition where prices fall 20% or more from recent highs, typically accompanied by widespread pessimism.

Benchmark

A standard against which investment performance is measured, such as the S&P 500 for U.S. stocks.

Beta

A measure of a stock's volatility relative to the overall market. Beta of 1 means it moves with the market; above 1 is more volatile, below 1 is less volatile.

Blue Chip Stock

Shares of large, well-established companies with a history of reliable performance and often paying dividends.

Bond

A debt security where an investor loans money to an entity (government or corporation) that pays fixed interest and returns principal at maturity.

Brokerage Account

An investment account held at a brokerage firm that allows you to buy and sell securities like stocks, bonds, and funds.

Bull Market

A market condition where prices are rising or expected to rise, typically defined as a 20%+ increase from recent lows.

C

Capital

Money or assets available for investment. Also refers to the total financial resources of a person or company.

Capital Gain

The profit from selling an asset for more than its purchase price. Can be short-term (held less than a year) or long-term.

Capital Loss

The loss from selling an asset for less than its purchase price. Can be used to offset capital gains for tax purposes.

Compound Interest

Interest calculated on the initial principal and accumulated interest from previous periods. The key to long-term wealth building.

Correction

A decline of 10% or more in a stock, index, or market from recent highs. Less severe than a bear market.

Cost Basis

The original value of an asset for tax purposes, typically the purchase price plus any fees or commissions.

D

Diversification

Spreading investments across various assets, sectors, and regions to reduce risk.

Dividend

A portion of a company's profits distributed to shareholders, usually quarterly.

Dividend Reinvestment Plan (DRIP)

A program that automatically reinvests cash dividends to purchase additional shares of the same stock or fund.

Dividend Yield

Annual dividend per share divided by stock price, expressed as a percentage. Shows income relative to investment cost.

Dollar-Cost Averaging (DCA)

Investing a fixed amount regularly regardless of price, reducing the impact of market volatility.

Dow Jones Industrial Average (DJIA)

A stock market index tracking 30 large U.S. companies. One of the oldest and most watched market indicators.

E

Earnings Per Share (EPS)

A company's profit divided by its outstanding shares. A key metric for evaluating profitability.

Emergency Fund

Liquid savings set aside for unexpected expenses, typically 3-6 months of living expenses.

Equity

Ownership interest in a company, represented by stock. Also, the value of an asset minus any debt owed on it.

ESG Investing

Environmental, Social, and Governance investing considers sustainability and ethical factors alongside financial returns.

ETF (Exchange-Traded Fund)

A basket of securities that trades on an exchange like a stock, offering diversification with trading flexibility.

Expense Ratio

The annual fee charged by a fund, expressed as a percentage of assets. Lower is generally better.

F

FDIC Insurance

Federal Deposit Insurance Corporation coverage that protects bank deposits up to $250,000 per depositor, per bank.

Fiduciary

A person or organization legally obligated to act in the best interest of another party, such as a client.

Fixed Income

Investments that provide regular, predictable income, such as bonds, CDs, and Treasury securities.

Fractional Shares

Portions of a full share of stock, allowing investors to buy expensive stocks with smaller amounts of money.

G

Growth Stock

Shares of companies expected to grow faster than the market average. Often reinvest profits rather than pay dividends.

H

Hedge

An investment made to reduce the risk of adverse price movements in another asset.

High-Yield Bond

Bonds with lower credit ratings that pay higher interest rates to compensate for increased default risk. Also called junk bonds.

I

Index

A statistical measure of changes in a group of securities, such as the S&P 500 or NASDAQ Composite.

Index Fund

A fund that tracks a market index (like the S&P 500) by holding the same securities in the same proportions.

Inflation

The rate at which prices for goods and services rise over time, reducing purchasing power.

Interest Rate

The cost of borrowing money or the return for lending it, expressed as a percentage.

IRA (Individual Retirement Account)

A tax-advantaged retirement savings account. Traditional IRAs offer tax-deductible contributions; Roth IRAs offer tax-free withdrawals.

L

Limit Order

An order to buy or sell a security at a specific price or better. Gives you price control but may not execute.

Liquidity

How easily an asset can be converted to cash without significantly affecting its price.

Load

A sales charge or commission paid when buying (front-end) or selling (back-end) mutual fund shares.

M

Market Capitalization

The total market value of a company's outstanding shares. Large-cap: $10B+, Mid-cap: $2-10B, Small-cap: under $2B.

Market Order

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

Maturity

The date when a bond's principal is repaid to the investor and interest payments stop.

Mutual Fund

A pooled investment vehicle managed by professionals that invests in stocks, bonds, or other assets.

N

NASDAQ

A stock exchange known for listing technology companies. Also refers to the NASDAQ Composite index.

Net Worth

Total assets minus total liabilities. A measure of overall financial health.

No-Load Fund

A mutual fund that doesn't charge a sales commission when buying or selling shares.

P

Passive Investing

An investment strategy that aims to match market returns through index funds, rather than trying to beat the market.

P/E Ratio (Price-to-Earnings)

Stock price divided by earnings per share. Used to evaluate if a stock is over or undervalued.

Portfolio

A collection of investments owned by an individual or institution.

Principal

The original amount of money invested or borrowed, before interest or returns.

R

Rebalancing

Adjusting portfolio holdings to maintain desired asset allocation, typically by selling overweighted assets and buying underweighted ones.

Recession

A significant decline in economic activity lasting more than a few months, typically defined as two consecutive quarters of negative GDP growth.

REIT (Real Estate Investment Trust)

A company that owns income-producing real estate. REITs trade like stocks and must distribute 90% of taxable income as dividends.

Risk Tolerance

An investor's ability and willingness to lose some or all of their investment in exchange for potential greater returns.

ROI (Return on Investment)

A measure of investment profitability calculated as (gain - cost) / cost, expressed as a percentage.

Roth IRA

A retirement account funded with after-tax dollars. Qualified withdrawals are tax-free. Income limits apply for contributions.

S

SEC (Securities and Exchange Commission)

The U.S. government agency that regulates securities markets and protects investors.

SIPC Insurance

Securities Investor Protection Corporation coverage that protects brokerage accounts up to $500,000 if a broker fails.

Stock

A share of ownership in a company. Stockholders can profit through price appreciation and dividends.

Stock Split

When a company divides existing shares into multiple shares, lowering the price per share but not changing total value held.

S&P 500

A stock market index tracking 500 large U.S. companies. Often used as a benchmark for overall market performance.

T

Tax-Advantaged Account

Investment accounts with special tax benefits, such as 401(k)s, IRAs, and HSAs.

Tax-Loss Harvesting

Selling investments at a loss to offset capital gains and reduce tax liability.

Treasury Securities

Debt instruments issued by the U.S. government, including T-bills, T-notes, and T-bonds. Considered very safe investments.

V

Value Stock

Shares of companies that appear underpriced based on fundamental analysis, often with lower P/E ratios.

Vesting

The process of earning the right to employer contributions or stock options over time.

Volatility

The degree of variation in an investment's price over time. Higher volatility means greater price swings and risk.

Y

Yield

The income return on an investment, typically expressed as an annual percentage.

Yield Curve

A graph showing interest rates of bonds with different maturities. An inverted yield curve can signal a recession.

#

401(k)

An employer-sponsored retirement plan that allows employees to save and invest pre-tax income. Many employers offer matching contributions.

403(b)

A retirement plan similar to a 401(k) but for employees of public schools and certain tax-exempt organizations.

529 Plan

A tax-advantaged savings plan for education expenses. Earnings grow tax-free when used for qualified education costs.

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