Ac Immune SA (ACIU)'s 30-day implied volatility (IV30) was 55.7% at the close on October 21, 2026, down from 74.9% the day before, against a 52-week range of 51.7% to 146.0%. Its 20-day historical volatility was 65.1%.
Key numbers
30-day implied volatility (IV30): 55.7%
IV30 52-week range: 51.7% to 146.0% (median 79.5%)
Historical volatility: 20-day 65.1%, 1-year 78.0%
Implied move by the nearest expiration: ±4.7%
Data as of October 21, 2026.
ACIU Implied Volatility (IV) vs Historical Volatility (HV)
The ACIU IV term structure shows the implied volatility difference between different maturity dates.
