Delek US Holdings (DK)'s 30-day implied volatility (IV30) was 68.2% at the close on October 20, 2026, up from 66.2% the day before, against a 52-week range of 42.8% to 71.9%. Its 20-day historical volatility was 53.1%.
Key numbers
30-day implied volatility (IV30): 68.2%
IV30 52-week range: 42.8% to 71.9% (median 62.5%)
Historical volatility: 20-day 53.1%, 1-year 56.7%
Implied move by the nearest expiration: ±4.2%
Data as of October 20, 2026.
DK Implied Volatility (IV) vs Historical Volatility (HV)
The DK IV term structure shows the implied volatility difference between different maturity dates.
