Graham (GHM)'s 30-day implied volatility (IV30) was 58.0% at the close on October 16, 2026, down from 63.7% the day before, against a 52-week range of 38.7% to 75.1%. Its 20-day historical volatility was 49.9%.
Key numbers
30-day implied volatility (IV30): 58.0%
IV30 52-week range: 38.7% to 75.1% (median 50.1%)
Historical volatility: 20-day 49.9%, 1-year 60.8%
Implied move by the nearest expiration: ±3.6%
Data as of October 16, 2026.
GHM Implied Volatility (IV) vs Historical Volatility (HV)
The GHM IV term structure shows the implied volatility difference between different maturity dates.
