Synonyms: VIX

The CBOE Volatility Index (VIX) is a measure of expected price fluctuations in the S&P 500 Index options over the next 30 days.

The VIX, often termed as the “fear index,” is calculated in real-time by the Chicago Board Options Exchange (CBOE). The keywords in that description are expected and the next 30 days.

VIX Volatility Index Historical Chart
VIX Volatility Index Historical Chart

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