Bank Of Montreal (BMO)'s 30-day implied volatility (IV30) was 21.0% at the close on October 23, 2026, down from 21.5% the day before, against a 52-week range of 14.1% to 26.4%. Its 20-day historical volatility was 17.6%.
Key numbers
30-day implied volatility (IV30): 21.0%
IV30 52-week range: 14.1% to 26.4% (median 20.1%)
Historical volatility: 20-day 17.6%, 1-year 20.4%
Implied move by the nearest expiration: ±1.4%
Data as of October 23, 2026.
BMO Implied Volatility (IV) vs Historical Volatility (HV)
The BMO IV term structure shows the implied volatility difference between different maturity dates.