Celldex Therapeutics (CLDX)'s 30-day implied volatility (IV30) was 49.6% at the close on October 28, 2026, down from 56.0% the day before, against a 52-week range of 30.5% to 193.5%. Its 20-day historical volatility was 50.1%.

Key numbers

30-day implied volatility (IV30): 49.6%
IV30 52-week range: 30.5% to 193.5% (median 46.5%)
Historical volatility: 20-day 50.1%, 1-year 50.1%
Implied move by the nearest expiration: ±3.7%

Data as of October 28, 2026.

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

Name: CLDX Implied Volatility
Creator: Market Chameleon