Explore the VIX, the go-to index for tracking S&P 500 volatility. Learn about its calculation and impact on your investment ...

The movements of the CBOE’s VIX® are often confusing. It usually moves the opposite direction of the S&P 500 but not always. On Fridays the VIX tends to sag and on Mondays it often climbs because S&P ...

Stocks are volatile. That much is understood by most investors, but what exactly is volatility and how is it measured for the overall stock market? You may have seen references to something called the ...

Investopedia contributors come from a range of backgrounds, and over 25 years there have been thousands of expert writers and editors who have contributed. Change is constant in the markets, which is ...

On Friday afternoon, the CBOE Volatility Index (VIX) was down a steep 11%, signaling a cooling of market fear. But for traders who thrive on volatility, the real action lies in the ETFs that track and ...