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Volatility index
An index of expected near-term volatility in the US equity market, derived from S&P 500 option prices.
19.45+2.21% 24h
Over time
741 observations · Historical observations, not a live price feed.
Period low16.56
Period high20.53
Observations741
A signal, with perspective.
An index of expected near-term volatility in the US equity market, derived from S&P 500 option prices. The chart follows the selected period; the percentage above compares the latest observation over 24 hours. These are different windows.
The API currently does not include instrument units or source attribution. Values are shown as supplied, without assuming a currency or contract.