Gorman-Rupp Company (GRC)'s 30-day implied volatility (IV30) was 25.1% at the close on November 3, 2026, down from 32.8% the day before, against a 52-week range of 20.7% to 53.1%. Its 20-day historical volatility was 31.9%.

Key numbers

30-day implied volatility (IV30): 25.1%
IV30 52-week range: 20.7% to 53.1% (median 30.5%)
Historical volatility: 20-day 31.9%, 1-year 39.9%
Implied move by the nearest expiration: ±2.2%

Data as of November 3, 2026.

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

Name: GRC Implied Volatility
Creator: Market Chameleon