Fulcrum Therapeutics (FULC)'s 30-day implied volatility (IV30) was 34.6% at the close on November 6, 2026, down from 38.0% the day before, against a 52-week range of 24.0% to 187.4%. Its 20-day historical volatility was 22.7%.

Key numbers

30-day implied volatility (IV30): 34.6%
IV30 52-week range: 24.0% to 187.4% (median 68.5%)
Historical volatility: 20-day 22.7%, 1-year 65.8%
Implied move by the nearest expiration: ±2.5%

Data as of November 6, 2026.

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

Name: FULC Implied Volatility
Creator: Market Chameleon