Cboe Global Markets (CBOE)'s 30-day implied volatility (IV30) was 37.9% at the close on October 23, 2026, down from 38.3% the day before, against a 52-week range of 16.8% to 43.4%. Its 20-day historical volatility was 43.9%.

Key numbers

30-day implied volatility (IV30): 37.9%
IV30 52-week range: 16.8% to 43.4% (median 26.0%)
Historical volatility: 20-day 43.9%, 1-year 33.1%
Implied move by the nearest expiration: ±2.0%

Data as of October 23, 2026.

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

Name: CBOE Implied Volatility
Creator: Market Chameleon