Gorman-Rupp Company (GRC)'s 30-day implied volatility (IV30) was 34.7% at the close on November 6, 2026, up from 29.6% the day before, against a 52-week range of 20.7% to 53.1%. Its 20-day historical volatility was 36.2%.

Key numbers

30-day implied volatility (IV30): 34.7%
IV30 52-week range: 20.7% to 53.1% (median 30.4%)
Historical volatility: 20-day 36.2%, 1-year 39.9%
Implied move by the nearest expiration: ±1.9%

Data as of November 6, 2026.

GRC Implied Volatility (IV) vs Historical Volatility (HV)

Name: GRC Implied Volatility
Creator: Market Chameleon