Generac Holdings (GNRC)'s 30-day implied volatility (IV30) was 61.3% at the close on October 16, 2026, up from 61.1% the day before, against a 52-week range of 35.1% to 77.4%. Its 20-day historical volatility was 52.9%.
Key numbers
30-day implied volatility (IV30): 61.3%
IV30 52-week range: 35.1% to 77.4% (median 51.6%)
Historical volatility: 20-day 52.9%, 1-year 52.7%
Implied move by the nearest expiration: ±3.4%
Data as of October 16, 2026.
GNRC Implied Volatility (IV) vs Historical Volatility (HV)
The GNRC IV term structure shows the implied volatility difference between different maturity dates.