Concept Library
The Investor's Lexicon
Every great investor has a precise vocabulary. Master these concepts before the markets test you.
73 concepts
A
Alpha
ValueThe excess return of an investment above what would be predicted by its exposure to market risk (beta) — the value added by active management or security selection.
Howard Marks
Asset Allocation
ValueThe division of a portfolio across different asset classes — equities, bonds, cash, real assets — to balance expected return against risk over time.
Ray Dalio
Asset Turnover
ValueRevenue divided by total assets — measures how efficiently a business converts its asset base into revenue, a key driver of return on assets.
Warren Buffett
B
Benchmark
ValueA standard index or reference portfolio used to evaluate investment performance — the S&P 500 is the most common equity benchmark in the US.
Warren Buffett
Beta
ValueA measure of an investment's sensitivity to broad market movements — a beta of 1.0 moves in line with the market; above 1.0 amplifies market moves; below 1.0 dampens them.
Howard Marks
Book Value
ValueShareholders' equity on the balance sheet — total assets minus total liabilities — representing the accounting net worth of a company.
Benjamin Graham
Buffett's Four Filters
ValueBuffett's four-part investment screen: a business he understands, with favourable economics, honest and competent management, and a sensible price.
Warren Buffett
C
Capital Allocation
ValueThe decisions management makes about how to deploy the cash a business generates — reinvestment, acquisitions, dividends, buybacks, or debt repayment — which determine long-term shareholder value.
Warren Buffett
Capital Expenditure
ValueMoney spent on acquiring or upgrading physical assets — the primary drain on free cash flow.
Capital Gain
ValueThe profit from selling an investment for more than its purchase price — the difference between the selling price and the original cost basis.
Warren Buffett
Circle of Competence
ValueThe domain of businesses and industries that an investor understands deeply enough to make reliable judgments about long-term competitive prospects and intrinsic value.
Warren Buffett
Comparable Company Analysis
ValueA relative valuation method that values a company by comparing its financial metrics to publicly traded peers — establishing a market-derived valuation range.
Benjamin Graham
Concentration Risk
ValueThe risk that an excessive allocation to a single investment, sector, geography, or risk factor could cause outsized losses if that concentration performs poorly.
Howard Marks
Corporate Governance
ValueThe system of rules, practices, and processes by which a company is directed and controlled — the mechanisms that align management decisions with shareholder interests.
Warren Buffett
Correlation
ValueThe statistical measure of how two investments move in relation to each other — ranging from +1 (perfect positive correlation) to -1 (perfect negative correlation).
Howard Marks
D
Debt-to-Equity Ratio
ValueTotal debt divided by shareholders' equity — a measure of financial leverage that determines how much of the business is financed by borrowing.
Benjamin Graham
Discounted Cash Flow (DCF)
ValueA valuation method that estimates intrinsic value by projecting future cash flows and discounting them to present value at an appropriate rate.
Warren Buffett
Dividend
ValueA cash distribution paid by a company to its shareholders from profits — typically expressed as a dividend per share or as a yield relative to the share price.
Benjamin Graham
Dividend Yield
ValueAnnual dividend per share divided by the current share price — the income return on a stock expressed as a percentage, directly comparable to bond yields.
Benjamin Graham
Dollar-Cost Averaging (DCA)
ValueThe practice of investing a fixed sum at regular intervals regardless of market price — buying more shares when prices are low and fewer when prices are high, smoothing the average cost basis.
Warren Buffett
E
EBITDA
ValueEarnings before interest, taxes, depreciation, and amortisation — a proxy for operating cash flow used widely in valuation multiples, particularly EV/EBITDA.
Warren Buffett
ESG Investing
ValueInvestment approach incorporating Environmental, Social, and Governance factors alongside financial analysis — evaluating non-financial risks and opportunities that affect long-term returns.
Howard Marks
Earnings Per Share (EPS)
ValueNet profit divided by the number of shares outstanding — the portion of a company's profit attributable to each share, the denominator in the P/E ratio.
Benjamin Graham
Earnings Quality
ValueThe degree to which reported earnings accurately reflect the true economic performance and cash-generating capacity of a business.
Benjamin Graham
Earnings Yield
ValueEarnings per share divided by market price — the inverse of P/E expressed as a percentage, directly comparable to bond yields.
Benjamin Graham
Economic Moat
ValueA durable structural advantage that protects a business from competition and allows it to sustain above-average returns on capital over an extended period.
Warren Buffett
Enterprise Value (EV)
ValueMarket capitalisation plus net debt (total debt minus cash) — the theoretical takeover price of a business, representing the total cost to acquire all cash flows.
Warren Buffett
Equity Risk Premium
ValueThe excess return investors expect from equities over a risk-free rate — the fundamental driver of market valuations.
F
Factor Investing
ValueA systematic investment approach that tilts a portfolio toward well-documented return drivers (factors) — including value, quality, momentum, size, and low volatility — that have historically produced excess returns.
Howard Marks
Float — Insurance Business
ValuePremiums collected but not yet paid out as claims — an interest-free pool of capital Buffett famously deployed at Berkshire.
Franchise Value
ValueThe portion of a company's value from its ability to earn returns above the cost of capital on incremental investments.
Free Cash Flow
ValueOperating cash flow minus capital expenditures — the actual cash a business generates after funding its own maintenance and growth requirements.
Warren Buffett
Free Float
ValueThe portion of a company's shares actually available for public trading — excluding promoter and strategic holdings.
G
Goodwill
ValueThe premium paid above the fair value of a company's net assets in an acquisition — recorded on the acquirer's balance sheet as an intangible asset.
Warren Buffett
Gordon Growth Model
ValueA dividend discount model that values a stock as the next period's dividend divided by the difference between the discount rate and the perpetual dividend growth rate.
Benjamin Graham
Graham Number
ValueThe square root of (22.5 × EPS × Book Value per Share) — Graham's formula for the maximum price to pay for any stock.
Benjamin Graham
I
Interest Coverage Ratio
ValueOperating earnings divided by interest expense — measures how many times over a company can cover its interest payments from operating profits.
Benjamin Graham
Intrinsic Value
ValueThe true economic worth of a business based on its future cash flows, assets, and earnings power — independent of its market price.
Benjamin Graham
L
Liquidation Value
ValueThe estimated proceeds from selling all of a company's assets and settling all liabilities — the absolute floor value of a business in a forced sale scenario.
Benjamin Graham
Liquidity
ValueThe ease with which an asset can be bought or sold without materially affecting its price — cash is perfectly liquid; private real estate is highly illiquid.
Howard Marks
M
Margin of Safety
ValueBuying an asset at a significant discount to its intrinsic value to create a buffer against errors in analysis, adverse events, or bad luck.
Benjamin Graham
Maximum Drawdown
ValueThe largest peak-to-trough decline in a portfolio's value over a specific period — the worst loss that would have been experienced by an investor who bought at the high and sold at the low.
Howard Marks
Mean Reversion
ValueThe observed tendency for asset prices, corporate profit margins, and returns on capital to return toward long-run historical averages after periods of extreme deviation.
Benjamin Graham
Mr. Market
ValueGraham's metaphor for the stock market as an erratic business partner who offers to buy or sell his share at a different price every day — driven by emotion, not logic.
Benjamin Graham
N
Net Profit Margin
ValueNet income divided by revenue — the percentage of each rupee of revenue that reaches the bottom line after all costs, taxes, and interest payments.
Warren Buffett
Net-Net Working Capital
ValueCurrent assets minus all liabilities (both current and long-term). Graham's ultra-conservative value floor — any stock trading below this is statistically cheap.
Benjamin Graham
Normalised Earnings
ValueEarnings adjusted to remove cyclical, one-time, or accounting distortions — representing the sustainable through-cycle earning power of a business.
Benjamin Graham
O
Operating Margin
ValueOperating profit (EBIT) divided by revenue — the percentage of each rupee of revenue remaining after variable costs and operating overhead, before interest and taxes.
Warren Buffett
Owner Earnings
ValueBuffett's measure of a business's true cash generation: net income plus depreciation and amortisation, minus the capital expenditure required to maintain competitive position.
Warren Buffett
P
Payout Ratio
ValueDividends per share divided by earnings per share — the percentage of profits paid out as dividends; the remainder is retained and reinvested in the business.
Benjamin Graham
Portfolio
ValueThe complete collection of investments held by an individual or institution — the total of all positions across all asset classes at a given point in time.
Warren Buffett
Price Discovery
ValueThe process by which markets aggregate dispersed information to arrive at a price reflecting collective knowledge.
Price-to-Book Ratio (P/B)
ValueMarket price per share divided by book value per share — compares the market's valuation to the accounting value of a company's net assets.
Benjamin Graham
Price-to-Earnings Ratio (P/E)
ValueMarket price per share divided by annual earnings per share — the most widely used shorthand for whether a stock is cheap or expensive relative to its earnings.
Benjamin Graham
Price-to-Sales Ratio (P/S)
ValueMarket capitalisation divided by annual revenue — a valuation multiple useful for companies with no earnings, or when earnings are temporarily depressed.
Peter Lynch
Promoter Pledge
ValueThe pledging of promoter-held shares as collateral for a loan — a risk indicator in Indian markets where forced sales of pledged shares can trigger price collapses.
Warren Buffett
R
Rebalancing
ValueThe periodic adjustment of a portfolio back to its target asset allocation by selling outperforming assets and buying underperforming ones — systematically buying low and selling high.
Ray Dalio
Replacement Value
ValueThe cost to build or acquire the same business from scratch today — a floor valuation for asset-intensive industries.
Retained Earnings
ValueCumulative profits reinvested in the business rather than paid as dividends — the raw material of compounding.
Return on Assets
ValueNet income divided by total assets — a measure of how efficiently a business uses its asset base to generate profit.
Return on Capital Employed (ROCE)
ValueOperating profit divided by capital employed (total assets minus current liabilities) — measures how efficiently a business generates profit from all capital deployed in the business.
Warren Buffett
Return on Invested Capital (ROIC)
ValueOperating profit after tax divided by total capital employed — the single most revealing measure of whether a business creates or destroys economic value.
Charlie Munger
Return on Investment (ROI)
ValueThe percentage gain or loss on an investment relative to its cost — total return (including dividends and price appreciation) divided by the amount invested.
Warren Buffett
Risk-Free Rate
ValueThe theoretical return on an investment with zero risk — typically the 10-year government bond yield.
S
Share Buyback
ValueA company's repurchase of its own shares from the open market, reducing the share count and increasing each remaining shareholder's proportional ownership.
Warren Buffett
Sharpe Ratio
ValueThe excess return above the risk-free rate divided by the standard deviation of returns — a risk-adjusted performance measure expressing return per unit of volatility taken.
Howard Marks
Sum of the Parts Valuation
ValueA valuation method that values each business unit or asset of a conglomerate separately, then adds the components — useful when the whole trades at a discount to its parts.
Benjamin Graham
T
Tax-Loss Harvesting
ValueThe practice of selling investments at a loss to realise a tax deduction, then reinvesting in a similar (but not identical) position to maintain market exposure.
Warren Buffett
Terminal Value
ValueThe present value of all cash flows beyond the explicit forecast period in a DCF model — typically representing 60–80% of a company's total calculated intrinsic value.
Warren Buffett
W
WACC (Weighted Average Cost of Capital)
ValueThe blended cost of a company's capital, weighted by the proportion of debt and equity in its capital structure — used as the discount rate in DCF valuations.
Warren Buffett
Working Capital
ValueCurrent assets minus current liabilities — the short-term liquidity buffer a business uses to fund its day-to-day operations and meet near-term obligations.
Benjamin Graham