Halozyme Therapeutics (HALO)'s 30-day implied volatility (IV30) was 38.8% at the close on October 26, 2026, down from 43.5% the day before, against a 52-week range of 25.4% to 47.7%. Its 20-day historical volatility was 31.5%.

Key numbers

30-day implied volatility (IV30): 38.8%
IV30 52-week range: 25.4% to 47.7% (median 34.0%)
Historical volatility: 20-day 31.5%, 1-year 32.7%
Implied move by the nearest expiration: ±2.8%

Data as of October 26, 2026.

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

Name: HALO Implied Volatility
Creator: Market Chameleon