<a href='/Volatility'>Volatility</a> <a href='/Index'>Index</a> is a measure of the expected <a href='/Volatility'>volatility</a> of a financial instrument over a given time period. It is calculated by taking the weighted average of the implied volatilities of a wide range of <a href='/Options'>options</a> on the underlying asset.
<a href='/Volatility'>Volatility</a> <a href='/Index'>Index</a>, or VIX, is an <a href='/Index'>index</a> created by the Chicago Board <a href='/Options'>Options</a> Exchange (<a href='/CBOE'>CBOE</a>) to measure the market