Arcus Biosciences (RCUS)'s 30-day implied volatility (IV30) was 56.9% at the close on October 20, 2026, down from 93.5% the day before, against a 52-week range of 36.3% to 98.9%. Its 20-day historical volatility was 53.7%.

Key numbers

30-day implied volatility (IV30): 56.9%
IV30 52-week range: 36.3% to 98.9% (median 56.4%)
Historical volatility: 20-day 53.7%, 1-year 59.7%
Implied move by the nearest expiration: ±5.9%

Data as of October 20, 2026.

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

Name: RCUS Implied Volatility
Creator: Market Chameleon