Knife River (KNF)'s 30-day implied volatility (IV30) was 56.8% at the close on October 30, 2026, up from 55.1% the day before, against a 52-week range of 29.5% to 56.2%. Its 20-day historical volatility was 44.4%.
Key numbers
30-day implied volatility (IV30): 56.8%
IV30 52-week range: 29.5% to 56.2% (median 42.8%)
Historical volatility: 20-day 44.4%, 1-year 45.9%
Implied move by the nearest expiration: ±3.6%
Data as of October 30, 2026.
KNF Implied Volatility (IV) vs Historical Volatility (HV)
The KNF IV term structure shows the implied volatility difference between different maturity dates.
