Janux Therapeutics (JANX)'s 30-day implied volatility (IV30) was 70.6% at the close on October 28, 2026, up from 65.6% the day before, against a 52-week range of 34.8% to 194.8%. Its 20-day historical volatility was 51.4%.

Key numbers

30-day implied volatility (IV30): 70.6%
IV30 52-week range: 34.8% to 194.8% (median 55.0%)
Historical volatility: 20-day 51.4%, 1-year 51.8%
Implied move by the nearest expiration: ±4.2%

Data as of October 28, 2026.

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

Name: JANX Implied Volatility
Creator: Market Chameleon