Biomarin Pharmaceutical (BMRN)'s 30-day implied volatility (IV30) was 27.5% at the close on October 28, 2026, down from 33.0% the day before, against a 52-week range of 19.3% to 55.5%. Its 20-day historical volatility was 30.4%.

Key numbers

30-day implied volatility (IV30): 27.5%
IV30 52-week range: 19.3% to 55.5% (median 37.2%)
Historical volatility: 20-day 30.4%, 1-year 30.8%
Implied move by the nearest expiration: ±2.1%

Data as of October 28, 2026.

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

Name: BMRN Implied Volatility
Creator: Market Chameleon