Gentex (GNTX)'s 30-day implied volatility (IV30) was 26.3% at the close on November 10, 2026, down from 27.4% the day before, against a 52-week range of 16.2% to 43.3%. Its 20-day historical volatility was 29.1%.
Key numbers
30-day implied volatility (IV30): 26.3%
IV30 52-week range: 16.2% to 43.3% (median 25.5%)
Historical volatility: 20-day 29.1%, 1-year 25.9%
Implied move by the nearest expiration: ±1.4%
Data as of November 10, 2026.
GNTX Implied Volatility (IV) vs Historical Volatility (HV)
The GNTX IV term structure shows the implied volatility difference between different maturity dates.
