Northwestern Energy Group (NWE)'s 30-day implied volatility (IV30) was 21.5% at the close on November 9, 2026, down from 22.2% the day before, against a 52-week range of 14.5% to 28.8%. Its 20-day historical volatility was 24.8%.

Key numbers

30-day implied volatility (IV30): 21.5%
IV30 52-week range: 14.5% to 28.8% (median 22.2%)
Historical volatility: 20-day 24.8%, 1-year 25.4%
Implied move by the nearest expiration: ±1.5%

Data as of November 9, 2026.

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

Name: NWE Implied Volatility
Creator: Market Chameleon