Northwestern Energy Group (NWE)'s 30-day implied volatility (IV30) was 18.9% at the close on November 4, 2026, up from 18.7% the day before, against a 52-week range of 14.5% to 28.8%. Its 20-day historical volatility was 23.8%.

Key numbers

30-day implied volatility (IV30): 18.9%
IV30 52-week range: 14.5% to 28.8% (median 22.2%)
Historical volatility: 20-day 23.8%, 1-year 25.2%
Implied move by the nearest expiration: ±1.3%

Data as of November 4, 2026.

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

Name: NWE Implied Volatility
Creator: Market Chameleon