Investing Glossary
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A
Alpha
Alpha measures how much an investment outperforms or underperforms its benchmark, adjusted for risk. Learn how alpha is generated, measured, and actually used by investors.
Asset Allocation
Asset allocation is how an investment portfolio is split across asset classes like stocks, bonds, and cash. Learn how it drives returns, manages risk, and how to use it in real portfolios.
B
Balance Sheet
A balance sheet is a financial statement that shows what a company owns, owes, and the equity left over at a specific point in time. Learn how to read it, what drives changes, and how investors actually use it.
Bear Market
A bear market is a sustained decline of 20% or more in a major market index from recent highs. Learn what causes bear markets, how they unfold, and what smart investors actually do during them.
Beta
Beta measures how much a stock moves relative to the overall market, with 1.0 matching market volatility. Learn how to use beta for risk control, portfolio construction, and smarter position sizing.
Bond
A bond is a loan you make to a government or company in exchange for fixed interest payments and return of principal at maturity. Learn how bonds work, what drives their prices, and how investors actually use them.
Bull Market
A bull market is a sustained rise in asset prices-typically 20% or more from recent lows-driven by strong economic and earnings momentum. Learn how bull markets form, how long they last, and how smart investors actual...
Business Cycle
A business cycle is the recurring pattern of economic expansion and contraction in an economy over time. Learn how each phase affects markets, earnings, and what smart investors do differently at each stage.
Business Cycles
Business cycles are recurring expansions and contractions in economic activity measured by GDP, employment, and output. Learn how they work, what causes them, and how investors can position portfolios across cycles.
C
Cash Flow
Cash flow is the net amount of cash moving into and out of a business over a period of time. Learn how to read it, why it matters more than profits, and how investors actually use it.
Central Bank
A central bank is a public institution that controls a country’s money supply, interest rates, and financial system stability. Learn how central banks really work, why markets obsess over them, and how investors shoul...
Core Inflation
Core inflation measures price changes excluding food and energy, focusing on underlying inflation trends. Learn how investors use it, why central banks obsess over it, and how it impacts markets.
Correlation
Correlation measures how two assets move in relation to each other, on a scale from -1 to +1. Learn how investors use correlation to build portfolios, manage risk, and avoid false diversification.
Cost of Revenue
Cost of revenue is the direct cost a company incurs to produce and deliver the goods or services it sells. Learn how it affects margins, earnings quality, and how investors should analyze it.
Credit Rating
A credit rating is an independent assessment of a borrower’s ability to repay debt, expressed as a letter grade like AAA or BBB-. Learn how ratings work, what moves them, and how investors actually use them.
Current Ratio
The current ratio measures a company’s ability to pay its short-term obligations using short-term assets. Learn how to calculate it, interpret it, and avoid common traps investors fall into.
CUSIP
A CUSIP is a 9-character alphanumeric code that uniquely identifies a specific security in North America. Learn how it works, why it matters, and how investors actually use it.
D
Debt-to-Equity Ratio
The debt-to-equity ratio measures how much debt a company uses relative to shareholder equity. Learn how to interpret it, when it matters, and how investors actually use it.
Default Risk
Default risk is the probability that a borrower fails to make required interest or principal payments. Learn what drives it, how investors measure it, and how to manage it in real portfolios.
Deflation
Deflation is a sustained decline in the general price level of goods and services across an economy. Learn what causes deflation, how it affects markets, and what investors should actually do when prices fall.
Diversification
Diversification is an investment strategy that spreads capital across multiple assets to reduce portfolio risk. Learn how it works, when it helps, and how to apply it intelligently.
Dividend
A dividend is a cash or stock payment a company makes to shareholders, usually from profits, often on a quarterly basis. Learn how dividends work, why they matter, and how smart investors actually use them.
Dividend Yield
Dividend yield shows how much a company pays in dividends each year relative to its stock price. Learn how to interpret it, what drives it, and how investors actually use it.
E
Earnings Per Share (EPS)
Earnings per share (EPS) shows how much profit a company generates for each share of stock. Learn how EPS is calculated, why it moves markets, and how to use it intelligently as an investor.
EBITDA
EBITDA measures a company’s operating profit before interest, taxes, depreciation, and amortization. Learn how investors use it, what drives it, and when it misleads.
Economic Expansion
An economic expansion is a sustained period of rising GDP, employment, and business activity following a recession. Learn how expansions start, how long they last, and how investors position portfolios during them.
Economic Growth
Economic growth is the increase in a country’s real output-usually measured by real GDP-over time. Learn what drives it, how investors use it, and when growth actually helps or hurts your portfolio.
Efficiency Ratios
Efficiency ratios measure how effectively a company uses its assets and resources to generate revenue or cash flow. Learn which ratios matter, how to read them, and how investors use them to spot strong operators.
Exchange-Traded Fund (ETF)
An exchange-traded fund (ETF) is a basket of securities that trades on an exchange like a stock, typically tracking an index, sector, or strategy. Learn how ETFs work, why investors use them, and how to use them intel...
G
GDP
GDP measures the total value of goods and services produced in an economy over a specific period. Learn how GDP is calculated, what drives it, and how investors actually use it.
Gross Domestic Product
Gross Domestic Product measures the total value of all goods and services produced within a country in a given period. Learn how GDP is calculated, what drives it, and how investors actually use it.
Gross National Product
Gross National Product (GNP) measures the total value of goods and services produced by a country’s residents, including income earned abroad. Learn how it differs from GDP, why it matters for investors, and how to ac...
Gross Profit
Gross profit is a company’s revenue minus the direct costs of producing its goods or services. Learn how to analyze it, what drives it, and how investors actually use it.
I
Income Statement
An income statement shows a company’s revenues, expenses, and profit over a specific period. Learn how to read it, what drives the numbers, and how investors actually use it.
Index Fund
An index fund is a low-cost investment fund that tracks a specific market index by holding the same securities in the same proportions. Learn how index funds work, why costs matter so much, and how investors actually ...
Industry
An industry is a group of companies that sell similar products or services and are affected by the same economic forces. Learn how investors use industries to analyze stocks, spot trends, and manage risk.
Inflation
Inflation is the rate at which the general level of prices for goods and services rises over time, reducing purchasing power. Learn what causes inflation, how it affects investments, and what to actually do when it sh...
Initial Public Offering (IPO)
An Initial Public Offering (IPO) is when a private company sells shares to the public for the first time and lists on a stock exchange. Learn how IPOs work, why companies go public, and how investors should approach t...
Interest Rates
Interest rates are the cost of borrowing money or the return earned on savings, expressed as a percentage over time. Learn how they move markets, impact your portfolio, and what to actually do when rates rise or fall.
ISIN
An ISIN is a 12-character international code that uniquely identifies a specific security, like a stock or bond. Learn how ISINs work, where investors encounter them, and how to actually use them in practice.
L
LEI (Legal Entity Identifier)
A Legal Entity Identifier (LEI) is a 20-character global ID code that uniquely identifies companies and institutions in financial transactions. Learn why it exists, where investors encounter it, and how it improves ma...
Liquidity
Liquidity is how quickly and easily an asset or company can be converted into cash without materially affecting its price. Learn how liquidity works, why it matters in markets and businesses, and how investors should ...
M
Market & Valuation Ratios
Market & valuation ratios compare a company’s stock price to its fundamentals like earnings, sales, or cash flow. Learn how investors use them to judge whether a stock-or the entire market-is expensive or cheap.
Market Capitalization
Market capitalization is the total market value of a company’s outstanding shares, calculated as share price × shares outstanding. Learn how investors use it to size risk, compare companies, and build smarter portfolios.
Market Correction
A market correction is a decline of 10% to 20% from a recent market high. Learn what causes corrections, how they play out, and how smart investors respond without panicking.
MIC Code
A MIC Code is a four-character ISO identifier that uniquely identifies a financial market or trading venue. Learn where it shows up, why it matters for trades, and how investors should use it.
Monetary Policy
Monetary policy is how a central bank controls interest rates and money supply to manage inflation, employment, and economic growth. Learn how it moves markets and how investors should respond.
Money Supply
The money supply is the total amount of money-cash and bank deposits-available in an economy at a given time. Learn how it’s measured, what drives it, and how changes impact inflation, markets, and your portfolio.
Mutual Fund
A mutual fund pools money from many investors to buy a diversified portfolio of stocks, bonds, or other assets, priced once per day at net asset value. Learn how mutual funds work, what drives returns, and how to use ...
P
Portfolio
A portfolio is the collection of assets-stocks, bonds, cash, and alternatives-that an investor owns and manages as a single unit. Learn how portfolios are built, what drives their performance, and how to actually mana...
Price-to-Book Ratio (P/B)
The price-to-book ratio compares a company’s market value to its accounting book value. Learn how to use P/B to spot value traps, asset plays, and mispriced stocks.
Price-to-Earnings Ratio (P/E)
The price-to-earnings ratio (P/E) compares a company’s stock price to its earnings per share. Learn how to interpret it, what drives it, and how investors actually use it.
Private Equity
Private equity is capital invested directly into private companies or used to take public companies private, typically through long-term, hands-on ownership. Learn how private equity works, why returns can be high, an...
Profitability Ratios
Profitability ratios measure how efficiently a company turns revenue into profit using margins and return metrics. Learn how to read them, compare companies, and avoid common traps.
Purchasing Power
Purchasing power measures how much real goods and services your money can buy, adjusted for inflation. Learn how it erodes, how investors track it, and how to protect portfolios when it falls.
Q
Quantitative Easing
Quantitative easing is a central bank policy where large-scale asset purchases are used to inject liquidity and lower long-term interest rates. Learn how QE works, why markets react so strongly to it, and how investor...
Quick Ratio
The quick ratio measures a company’s ability to cover short-term liabilities using its most liquid assets. Learn how to calculate it, interpret it, and avoid common investor traps.
R
Recession
A recession is a broad economic downturn marked by declining GDP, rising unemployment, and weakening consumer demand. Learn what causes recessions, how they affect markets, and what smart investors actually do.
Return on Assets (ROA)
Return on Assets (ROA) measures how efficiently a company generates profit from its total assets. Learn how to calculate it, interpret it, and use it to spot capital-efficient businesses.
Return on Equity (ROE)
Return on Equity (ROE) measures how efficiently a company generates profit from shareholders’ equity. Learn how to interpret ROE, what drives it, and how investors actually use it.
Return on Investment (ROI)
Return on Investment (ROI) measures how much profit or loss you make relative to the amount you invested. Learn how to calculate it, what drives it, and how investors actually use it in practice.
Revenue
Revenue is the total money a company earns from selling its products or services before any costs are deducted. Learn how investors analyze revenue growth, quality, and sustainability.
S
Secondary Offering
A secondary offering is when a public company sells additional shares after its IPO, either issuing new stock or selling existing shares. Learn how secondary offerings work, why stocks often drop, and how smart invest...
Sector
A sector is a broad grouping of companies that operate in the same part of the economy, such as technology or healthcare. Learn how sectors work, why they drive returns, and how investors actually use them.
SEDOL
A SEDOL is a seven-character alphanumeric code that uniquely identifies securities traded in the UK and Ireland. Learn how it works, why it matters for investors, and how it differs from ISIN and ticker symbols.
Share Buyback
A share buyback is when a company repurchases its own shares from the market, reducing the number of shares outstanding. Learn how buybacks work, why companies use them, and how investors should evaluate them.
Sharpe Ratio
The Sharpe Ratio measures how much return an investment generates for each unit of risk taken. Learn how to interpret it, compare portfolios, and avoid common traps.
Stability Ratios
Stability ratios measure how well a company can meet its long-term financial obligations and withstand economic stress. Learn which ratios matter most, how to calculate them, and how investors actually use them.
Stagflation
Stagflation is an economic environment where high inflation, weak growth, and rising unemployment happen at the same time. Learn why it’s so hard for markets, how it forms, and what investors can actually do.
Standard Deviation
Standard deviation measures how much returns vary around an average, usually expressed as a percentage. Learn how investors use it to judge risk, compare assets, and size positions.
Stock Split
A stock split increases the number of shares outstanding while proportionally lowering the share price, without changing a company’s market value. Learn why companies do it, how it affects your portfolio, and how smar...
T
Total Assets
Total assets are the full value of everything a company owns, as reported on its balance sheet at a specific date. Learn how investors use total assets to judge scale, risk, efficiency, and balance-sheet strength.
Total Liabilities
Total liabilities are the sum of everything a company owes-short-term and long-term-on its balance sheet. Learn how to analyze them, what drives changes, and how investors use them to judge risk.
V
Venture Capital
Venture capital is equity financing provided to early-stage, high-growth companies in exchange for ownership, often before they are profitable. Learn how VC works, why it matters to public-market investors, and how to...
Volatility
Volatility measures how much and how fast prices move, typically expressed as the standard deviation of returns over a set period. Learn what drives volatility, how to interpret it, and how smart investors use it to m...
Y
Yield to Maturity
Yield to maturity is the total annualized return you earn on a bond if you hold it until it matures, including interest and price changes. Learn how to use YTM to compare bonds, spot risks, and avoid common mistakes.
YoY (Year-over-Year)
YoY (Year-over-Year) measures the percentage change in a metric compared to the same period one year earlier. Learn how investors use YoY to cut through noise, spot real growth, and avoid common traps.
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