Greif Class A (GEF)'s 30-day implied volatility (IV30) was 32.4% at the close on October 20, 2026, up from 28.7% the day before, against a 52-week range of 16.0% to 38.4%. Its 20-day historical volatility was 28.1%.
Key numbers
30-day implied volatility (IV30): 32.4%
IV30 52-week range: 16.0% to 38.4% (median 26.1%)
Historical volatility: 20-day 28.1%, 1-year 29.5%
Implied move by the nearest expiration: ±1.8%
Data as of October 20, 2026.
GEF Implied Volatility (IV) vs Historical Volatility (HV)
The GEF IV term structure shows the implied volatility difference between different maturity dates.
