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Stochastic Processes and Factor Models

Valuation-modeling terms for stochastic processes, Ito calculus, Lintner's model, multi-factor models, and Wiener processes.

Stochastic Processes and Factor Models covers valuation-modeling terms for stochastic processes, Ito calculus, Lintner’s model, multi-factor models, and Wiener processes.

Use these pages when a statistical assumption, model structure, or risk distribution changes the analytical result. It sits inside Asset Pricing, Stochastic Processes, and Risk-Neutral Models, so readers can move up when the broader valuation context matters.

Use the table below to choose the narrower valuation branch before relying on a model input, market multiple, forecast, risk premium, price signal, or recommendation.

What This Branch Covers

AreaUse it for
Itô CalculusItô Calculus is an advanced mathematical framework developed by Kiyoshi Itô, used for integrating stochastic processes, particularly in the field of financial mathematics.
Lintner’s ModelLintner’s model explains dividend smoothing by linking target dividends to earnings and gradual adjustment behavior.
Multi-Factor ModelA multi-factor model explains asset returns using several systematic drivers such as market, size, value, rates, or credit risk.
Wiener ProcessA Wiener process is a continuous-time stochastic process used to model random price paths in option pricing and quantitative finance.

What to Check

  • Forecast source, valuation date, market data, accounting adjustments, and model version.
  • Cash-flow input, discount rate, multiple, growth assumption, terminal value, balance-sheet adjustment, and scenario range.
  • Comparable set, transaction set, sector, geography, size, leverage, margin profile, and accounting basis.
  • Effect on intrinsic value, relative value, price target, margin of safety, impairment view, deal price, or recommendation.
  • Sensitivity to growth, margins, reinvestment, discount rate, exit multiple, leverage, and market conditions.

Common Mistakes

  • Treating a valuation output as a precise fact instead of a range of estimates.
  • Comparing multiples without normalizing earnings, leverage, accounting policy, growth, and risk.
  • Ignoring valuation date, source quality, cyclicality, nonrecurring items, and sensitivity analysis.
  • Using valuation terminology as personalized investment, tax, legal, or appraisal advice.

Valuation content is educational and does not provide investment, tax, legal, accounting, appraisal, or valuation advice.

In this section

Choose a subsection first. Deeper term pages live inside each subsection, which keeps large topic hubs readable.

Itô Calculus

Itô Calculus is an advanced mathematical framework developed by Kiyoshi Itô, used for integrating stochastic processes, particularly in the field of financial mathematics.

Lintner's Model

Lintner's model explains dividend smoothing by linking target dividends to earnings and gradual adjustment behavior.

Multi-Factor Model

A multi-factor model explains asset returns using several systematic drivers such as market, size, value, rates, or credit risk.

Wiener Process

A Wiener process is a continuous-time stochastic process used to model random price paths in option pricing and quantitative finance.

Revised on Sunday, June 21, 2026