Learn how to calculate stock beta in Excel using historical price data and formulas—enhance your investment analysis with ...

Learn how Value at Risk (VaR) predicts possible investment losses and explore three key methods for calculating VaR: ...

The CEO of Markel Corporation has suggested a simplified view of deriving its value. This article explores a modification of that approach and benchmarks it against historical prices. Initial results ...

Although there are several ways to measure the volatility of a given security, analysts typically look at historical volatility. Historical volatility is a measure of past performance; it is a ...

Volatility is a measure of risk that is the statistical quantification of a security's possible investment returns. In short, it means large swings in price over a short period of time. Volatility in ...