Black Hills (BKH)'s 30-day implied volatility (IV30) was 26.6% at the close on November 5, 2026, up from 21.6% 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): 26.6%
IV30 52-week range: 14.0% to 32.7% (median 23.3%)
Historical volatility: 20-day 24.2%, 1-year 24.3%
Implied move by the nearest expiration: ±1.4%
Data as of November 5, 2026.
BKH Implied Volatility (IV) vs Historical Volatility (HV)
The BKH IV term structure shows the implied volatility difference between different maturity dates.