Grifols S.A. - American Depositary Shares (GRFS)'s 30-day implied volatility (IV30) was 37.4% at the close on October 16, 2026, up from 28.5% the day before, against a 52-week range of 21.3% to 65.5%. Its 20-day historical volatility was 29.2%.

Key numbers

30-day implied volatility (IV30): 37.4%
IV30 52-week range: 21.3% to 65.5% (median 33.6%)
Historical volatility: 20-day 29.2%, 1-year 34.1%
Implied move by the nearest expiration: ±1.9%

Data as of October 16, 2026.

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

Name: GRFS Implied Volatility
Creator: Market Chameleon