Bok Financial (BOKF)'s 30-day implied volatility (IV30) was 22.9% at the close on November 5, 2026, up from 20.0% the day before, against a 52-week range of 14.7% to 33.2%. Its 20-day historical volatility was 22.9%.
Key numbers
30-day implied volatility (IV30): 22.9%
IV30 52-week range: 14.7% to 33.2% (median 20.7%)
Historical volatility: 20-day 22.9%, 1-year 24.5%
Implied move by the nearest expiration: ±1.2%
Data as of November 5, 2026.
BOKF Implied Volatility (IV) vs Historical Volatility (HV)
The BOKF IV term structure shows the implied volatility difference between different maturity dates.
