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.

Today we are taking a closer look at volatility -- specifically, what it means when there is an abundance or lack of volatility, as well as the two primary types of volatility each options trader must ...

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 ...