Annexon (ANNX)'s 30-day implied volatility (IV30) was 196.5% at the close on November 12, 2026, down from 202.3% the day before, against a 52-week range of 46.9% to 202.3%. Its 20-day historical volatility was 72.7%.
Key numbers
30-day implied volatility (IV30): 196.5%
IV30 52-week range: 46.9% to 202.3% (median 71.5%)
Historical volatility: 20-day 72.7%, 1-year 75.5%
Implied move by the nearest expiration: ±5.4%
Data as of November 12, 2026.
ANNX Implied Volatility (IV) vs Historical Volatility (HV)
The ANNX IV term structure shows the implied volatility difference between different maturity dates.
