Star Group (SGU)'s 30-day implied volatility (IV30) was 20.9% at the close on October 23, 2026, up from 19.8% the day before, against a 52-week range of 4.6% to 34.4%. Its 20-day historical volatility was 20.2%.
Key numbers
30-day implied volatility (IV30): 20.9%
IV30 52-week range: 4.6% to 34.4% (median 24.8%)
Historical volatility: 20-day 20.2%, 1-year 25.7%
Implied move by the nearest expiration: ±1.3%
Data as of October 23, 2026.
SGU Implied Volatility (IV) vs Historical Volatility (HV)
The SGU IV term structure shows the implied volatility difference between different maturity dates.