Fulcrum Therapeutics (FULC)'s 30-day implied volatility (IV30) was 34.7% at the close on October 28, 2026, up from 29.1% the day before, against a 52-week range of 24.0% to 187.4%. Its 20-day historical volatility was 18.6%.

Key numbers

30-day implied volatility (IV30): 34.7%
IV30 52-week range: 24.0% to 187.4% (median 70.4%)
Historical volatility: 20-day 18.6%, 1-year 67.4%
Implied move by the nearest expiration: ±1.8%

Data as of October 28, 2026.

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

Name: FULC Implied Volatility
Creator: Market Chameleon