S&P Global (SPGI)'s 30-day implied volatility (IV30) was 25.9% at the close on October 30, 2026, up from 24.8% the day before, against a 52-week range of 13.8% to 41.3%. Its 20-day historical volatility was 24.1%.
Key numbers
30-day implied volatility (IV30): 25.9%
IV30 52-week range: 13.8% to 41.3% (median 29.0%)
Historical volatility: 20-day 24.1%, 1-year 28.1%
Implied move by the nearest expiration: ±1.6%
Data as of October 30, 2026.
SPGI Implied Volatility (IV) vs Historical Volatility (HV)
The SPGI IV term structure shows the implied volatility difference between different maturity dates.
