Investments

Arbitrage Pricing Theory
A multi-factor asset pricing framework where no-arbitrage implies expected returns are linear in factor exposures.
Asset Prices
The market value of claims on future payoffs, shaped by expected cash flows, discount rates, and risk premia.
Bear
An investor who expects prices to decline and positions to profit from falling markets.
Capital Asset Pricing Model (CAPM)
A model that links an asset's expected return to its market beta and the market risk premium.
Indexing (Passive Investing)
An investment approach that aims to match a market index rather than beat it, typically using low-cost, diversified portfolios.