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.

Option buyers should be wary when implied volatility appears to be running much higher than historical Today we are taking a closer look at volatility -- specifically, what it means when there is an ...

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 ...