Vanguard S&P 500 ETF (VOO)'s 30-day implied volatility (IV30) was 13.6% at the close on October 27, 2026, down from 14.1% the day before, against a 52-week range of 10.9% to 27.1%. Its 20-day historical volatility was 10.2%.

Key numbers

30-day implied volatility (IV30): 13.6%
IV30 52-week range: 10.9% to 27.1% (median 14.2%)
Historical volatility: 20-day 10.2%, 1-year 13.1%
Implied move by the nearest expiration: ±0.9%

Data as of October 27, 2026.

VOO Implied Volatility (IV) vs Historical Volatility (HV)

Name: VOO Implied Volatility
Creator: Market Chameleon