Columbia Banking System (COLB)'s 30-day implied volatility (IV30) was 21.6% at the close on October 20, 2026, down from 25.4% the day before, against a 52-week range of 19.5% to 49.5%. Its 20-day historical volatility was 23.9%.

Key numbers

30-day implied volatility (IV30): 21.6%
IV30 52-week range: 19.5% to 49.5% (median 27.9%)
Historical volatility: 20-day 23.9%, 1-year 27.3%
Implied move by the nearest expiration: ±1.6%

Data as of October 20, 2026.

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

Name: COLB Implied Volatility
Creator: Market Chameleon