Northwest Natural Hldg (NWN)'s 30-day implied volatility (IV30) was 21.2% at the close on October 20, 2026, up from 19.0% the day before, against a 52-week range of 12.6% to 29.2%. Its 20-day historical volatility was 20.6%.

Key numbers

30-day implied volatility (IV30): 21.2%
IV30 52-week range: 12.6% to 29.2% (median 19.8%)
Historical volatility: 20-day 20.6%, 1-year 21.8%
Implied move by the nearest expiration: ±1.2%

Data as of October 20, 2026.

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

Name: NWN Implied Volatility
Creator: Market Chameleon