Warifin Financial Glossary
Plain-language definitions for every complex financial term.
Stock
basicsA unit of ownership in a company, also called a share.
e.g. Owning one share of Apple makes you a tiny part-owner of Apple.
Related tutorial: What Is a Stock, ETF and Ticker?ETF
basicsA fund that holds many investments and trades like a stock.
e.g. An S&P 500 ETF holds 500 large U.S. companies in one buy.
Related tutorial: What Is a Stock, ETF and Ticker?Ticker
basicsThe short code identifying a stock on an exchange.
e.g. AAPL is Apple's ticker on the Nasdaq.
Related tutorial: What Is a Stock, ETF and Ticker?Market cap
basicsTotal value of a company: share price × number of shares.
e.g. A $200 stock with 1 billion shares has a $200B market cap.
Related tutorial: What Is a Stock, ETF and Ticker?Sector
basicsA group of similar companies, like Technology or Financials.
Related tutorial: What Is a Stock, ETF and Ticker?Diversification
riskSpreading investments across different companies, sectors or asset types.
Related tutorial: Risk, Return & DiversificationVolatility
riskHow much and how fast prices move up and down.
Related tutorial: Risk, Return & DiversificationDrawdown
riskThe drop from a peak to a trough in an investment's value.
Related tutorial: Risk, Return & DiversificationP/E ratio
valuationShare price divided by earnings per share.
e.g. A $100 stock with $5 earnings per share has a P/E of 20.
Related tutorial: Valuation: P/E, PEG & Price-to-SalesForward P/E
valuationP/E based on expected future earnings.
Related tutorial: Valuation: P/E, PEG & Price-to-SalesPEG ratio
valuationP/E divided by earnings growth rate.
Related tutorial: Valuation: P/E, PEG & Price-to-SalesPrice-to-sales
valuationMarket cap divided by revenue; useful when profits are negative.
Related tutorial: Valuation: P/E, PEG & Price-to-SalesRevenue growth
growthHow fast a company's sales are increasing, usually year-over-year.
Related tutorial: Growth & ProfitabilityEPS
growthEarnings per share — profit divided by number of shares.
Related tutorial: Growth & ProfitabilityNet margin
growthProfit kept from each dollar of sales, as a percentage.
Related tutorial: Growth & ProfitabilityROE
growthReturn on equity — profit generated from shareholders' equity.
Related tutorial: Growth & ProfitabilityFree cash flow
healthOperating cash flow minus capital spending.
Related tutorial: Financial Health: Debt & Cash FlowDebt-to-equity
healthTotal debt divided by shareholders' equity.
Related tutorial: Financial Health: Debt & Cash FlowFair value
valuationAn estimate of what an asset is really worth, based on fundamentals.
Related tutorial: Price vs ValueMargin of safety
valuationThe cushion between price and estimated value.
Related tutorial: Price vs ValueDividend
incomeA portion of a company's profits paid to shareholders.
Related tutorial: Yield, Payout & Dividend TrapsDividend yield
incomeAnnual dividend per share ÷ share price.
Related tutorial: Yield, Payout & Dividend TrapsPayout ratio
incomeDividend ÷ profit; very high can be unsustainable.
Related tutorial: Yield, Payout & Dividend TrapsExpense ratio
etfAnnual fund fee as a percentage of your investment.
Related tutorial: ETFs, Overlap & ConcentrationOverlap
etfWhen multiple ETFs share the same holdings, reducing diversification.
Related tutorial: ETFs, Overlap & Concentration13F filing
institutionalA U.S. regulatory report of institutional holdings, filed quarterly and delayed.
Related tutorial: Reading Institutional ActivityUptrend
tradingPrices making higher highs and higher lows overall.
Related tutorial: Trends & MomentumDowntrend
tradingPrices making lower highs and lower lows overall.
Related tutorial: Trends & MomentumBreakout
tradingPrice moving beyond support or resistance — real or false.
Related tutorial: Charts for BeginnersOHLC
tradingOpen, High, Low, Close — the four prices a candle shows.
Related tutorial: Charts for BeginnersMoving average
technicalThe average of past prices over a set period; smooths noise.
Related tutorial: Indicators & Their LimitsRSI
technicalRelative Strength Index — a 0–100 measure of price speed and extent.
Related tutorial: Indicators & Their LimitsMACD
technicalCompares two moving averages to reveal momentum shifts.
Related tutorial: Indicators & Their LimitsATR
technicalAverage True Range — measures how much price typically moves.
Related tutorial: Indicators & Their LimitsLeverage
tradingBorrowed buying power that magnifies gains and losses.
Related tutorial: Orders, Bid/Ask & LeverageStop loss
tradingA planned exit price to limit a losing trade.
Related tutorial: Orders, Bid/Ask & LeveragePosition sizing
tradingHow much capital you risk on a single trade.
Related tutorial: Orders, Bid/Ask & LeverageSlippage
tradingThe difference between expected price and the price actually filled.
Related tutorial: Why Practice FirstRolling return
historicalReturn over a fixed window ending at each point in time.
Related tutorial: Reading the Past ResponsiblySeasonality
historicalTendencies for certain periods to be stronger or weaker on average.
Related tutorial: Reading the Past ResponsiblyMaximum drawdown
riskThe largest peak-to-trough decline in the history studied.
Related tutorial: Reading the Past ResponsiblyTrade-off
basicsGiving up one desirable thing to gain another.
Related tutorial: Comparing Apples to ApplesCatalyst
tradingAn event or news item that could move a stock or sector.
Related tutorial: Reading the Daily RadarCyclical sector
investingA sector that moves with the economic cycle, like industrials.
Related tutorial: How Sectors RotateDivergence
investingWhen price and flows disagree — a potential warning.
Related tutorial: Reading Fund FlowsTail risk
riskThe risk of rare, severe outcomes at the edge of the distribution.
Related tutorial: Understanding Crash RiskGDP
economicsGross Domestic Product — the total value of goods and services produced.
Related tutorial: The Macro BackdropInterest rate
economicsThe cost of borrowing money, set by central banks and markets.
Related tutorial: The Macro BackdropBeat / miss
earningsReporting earnings above or below analyst expectations.
Related tutorial: Reading EarningsGuidance
earningsA company's forward outlook for revenue or profit.
Related tutorial: Reading EarningsReinvestment
growthUsing profits to fund further growth instead of paying dividends.
Related tutorial: What Makes a Growth StockExpectation risk
growthThe risk that high expectations already in the price get disappointed.
Related tutorial: What Makes a Growth StockAllocation
portfolioHow your money is divided across assets or sectors.
Related tutorial: Building a Sensible PortfolioRebalancing
portfolioTrimming winners and adding to laggards to return to your target allocation.
Related tutorial: Building a Sensible PortfolioAccumulation
tradingA cycle phase where informed buyers build positions after a decline.
Related tutorial: Reading the CycleDistribution
tradingA cycle phase where sellers distribute holdings to late buyers near a top.
Related tutorial: Reading the CycleProbability
tradingAn estimate of how likely an outcome is (e.g. 0–100%).
Related tutorial: Probability vs ConfidencePremium Feature
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