Investors understand intuitively that some stocks are riskier than others. The capital asset pricing model attempts to quantify the common perception of risk using a term called beta. By understanding ...

Despite a recent uptick to a more normal level near 16, the Cboe Volatility Index has averaged around just 12.8 over the past 30 trading days as of July 18, indicating relative calm in U.S. equities.

Find out why volatility plays a key role in the valuation of awards based on total shareholder returns. Volatility is a measure of how much the price of a security, such as a share of stock, changes ...

Claire Boyte-White is the lead writer for NapkinFinance.com, co-author of I Am Net Worthy, and an Investopedia contributor. Claire's expertise lies in corporate finance & accounting, mutual funds, ...