James Hardie Industries Plc. (JHX)'s 30-day implied volatility (IV30) was 50.2% at the close on October 22, 2026, up from 47.4% the day before, against a 52-week range of 27.9% to 74.9%. Its 20-day historical volatility was 38.8%.

Key numbers

30-day implied volatility (IV30): 50.2%
IV30 52-week range: 27.9% to 74.9% (median 43.3%)
Historical volatility: 20-day 38.8%, 1-year 42.5%
Implied move by the nearest expiration: ±3.0%

Data as of October 22, 2026.

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

Name: JHX Implied Volatility
Creator: Market Chameleon