Grail (GRAL)'s 30-day implied volatility (IV30) was 87.3% at the close on November 5, 2026, down from 96.7% the day before, against a 52-week range of 66.0% to 118.1%. Its 20-day historical volatility was 96.0%.
Key numbers
30-day implied volatility (IV30): 87.3%
IV30 52-week range: 66.0% to 118.1% (median 86.5%)
Historical volatility: 20-day 96.0%, 1-year 84.0%
Implied move by the nearest expiration: ±6.6%
Data as of November 5, 2026.
GRAL Implied Volatility (IV) vs Historical Volatility (HV)
The GRAL IV term structure shows the implied volatility difference between different maturity dates.
