Black Hills (BKH)'s 30-day implied volatility (IV30) was 26.3% at the close on November 3, 2026, up from 20.9% the day before, against a 52-week range of 14.0% to 32.7%. Its 20-day historical volatility was 24.2%.
Key numbers
30-day implied volatility (IV30): 26.3%
IV30 52-week range: 14.0% to 32.7% (median 23.2%)
Historical volatility: 20-day 24.2%, 1-year 24.3%
Implied move by the nearest expiration: ±1.5%
Data as of November 3, 2026.
BKH Implied Volatility (IV) vs Historical Volatility (HV)
The BKH IV term structure shows the implied volatility difference between different maturity dates.
