VIX (Volatility Index)
S&P 500 expected volatility
14.51
▼ -18.80%
Low Volatility
Last Updated: August 27, 2026
Historical Data
About VIX (Volatility Index)
The VIX measures the market's expectation of 30-day volatility based on S&P 500 option prices. Often called the 'fear index', readings above 20 suggest elevated uncertainty. The VIX tends to spike during market sell-offs and decline during calm periods.