Financial Risk & Market Indicators

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Abstractions about measuring financial performance, market momentum, portfolio risk, and the probability of loss or ruin. They include valuation and turnover ratios, stochastic models, technical indicators, martingale measures, market indexes, and systemic fragility.

29 abstractions in this family — domain-specific abstractions that sit near one another in structural-signature space (k-means over structural-signature embeddings). Each is shown with its short description.

• Beta (finance) — The slope relating an asset’s returns to market returns, used as a measure of systematic covariance exposure.
• Buffett indicator — A market-valuation ratio comparing aggregate listed-equity capitalization with a jurisdiction’s gross domestic product.
• Chance-constrained portfolio selection — A portfolio optimization model that maximizes a return objective while limiting the probability that final wealth or another outcome falls below a declared safety threshold.
• Cox–Ingersoll–Ross model — A mean-reverting square-root diffusion for a nonnegative short interest rate, supporting affine bond pricing and volatility proportional to the square root of the rate.
• Dividend cover — A company's earnings available to ordinary shareholders divided by ordinary dividends for the same period, indicating how many times reported earnings cover the payout.
• Envy ratio — The ratio of institutional investors' price per equity percentage point to management's price per equity percentage point in a buyout.
• Making-up price — A historical stock-exchange settlement price used to close and reopen a carried speculative position between account periods.
• Minimal-entropy martingale measure — An equivalent martingale measure selected from an incomplete market by minimizing relative entropy with respect to the objective probability measure.
• Negative volume index — Conditionally accumulate price or breadth changes only on sessions whose trading volume falls from the previous session, producing a path-dependent technical-analysis series whose interpretation requires a declared variant and test period.
• Net income per employee — A company productivity ratio dividing period net income by the average or stated employee count.
• Odds — The ratio of an event’s probability to the probability of its complement, with betting formats translating that ratio into stake and payout conventions.
• Parabolic SAR — A recursive technical-analysis indicator that places a trailing stop-and-reverse level behind a price trend and accelerates it toward the trend’s extreme point.
• Peer-to-peer investing — Investment in borrower notes originated through an online peer-to-peer lending platform, exposing investors to credit, liquidity, servicing, platform and regulatory risks without a traditional bank intermediary.
• Price-to-cash flow ratio — A valuation multiple comparing a company’s equity market value with its operating cash flow, either in aggregate or per share.
• Rachev ratio — A financial performance ratio comparing expected extreme positive returns with expected extreme losses at specified tail probabilities.
• Random walk hypothesis — The financial-market hypothesis that successive asset-price changes are sufficiently independent or unpredictable that past price movements alone cannot systematically forecast future changes.
• Receivables turnover ratio — An accounting activity ratio dividing net credit sales by average net receivables to estimate how often receivables are collected during a period.
• Risk of ruin — The probability that accumulated losses drive capital or a bankroll below a specified absorbing or operational threshold before a declared horizon or target is reached.
• Risk return ratio — A performance measure relating an investment's return over a stated period to a stated risk quantity, such as maximum drawdown, so reward is interpreted relative to exposure.
• Ruin theory — An actuarial-probability framework modeling an insurer's surplus under premium inflow and random claims to quantify the probability and timing of insolvency.
• Rule of 72 — A mental approximation for exponential doubling time obtained by dividing 72 by the percentage growth rate per compounding period.
• Siegel's paradox — The apparent expected-value inconsistency that reciprocal future exchange rates cannot both have expected appreciation, exposing numeraire and expectation dependence under uncertainty.
• SPI 20 — A capitalization-weighted index of twenty large companies on the SIX Swiss Exchange without an individual constituent cap.
• System dynamics — A simulation methodology that represents complex systems through accumulations, rates, feedback loops and delays to explain nonlinear behavior over time.
• Technical analysis — A disputed financial-market methodology that seeks trading or forecasting signals from historical price, volume and derived chart patterns rather than primarily from issuer fundamentals.
• Ticker symbol — An exchange-assigned compact identifier for a listed security, sometimes extended to encode market, share class or status information.
• Too big to fail — A systemic-risk condition in which authorities are expected to support a large or interconnected institution because its disorderly failure would impose unacceptable economy-wide damage.
• True strength index — A bounded momentum oscillator formed by double-smoothing price change and absolute price change and taking their ratio to indicate trend direction and relative momentum.
• Williams %R — A bounded technical-analysis oscillator locating the latest close within the recent high–low range, conventionally scaled from zero to minus one hundred.