Desde Investopedia

TERM OF THE DAY

Beta Beta is a measure of the volatility, or systematic risk, of a security or a portfolio in comparison to the market as a whole. Beta is used in the capital asset pricing model (CAPM), which calculates the expected return of an asset based on its beta and expected market returns. Beta is also known as the beta coefficient.

Breaking it Down: Beta is calculated using regression analysis. Beta represents the tendency of a security's returns to respond to... Read More