James Hardie Industries Plc. (JHX)'s 30-day implied volatility (IV30) was 51.4% at the close on October 30, 2026, down from 52.0% the day before, against a 52-week range of 27.9% to 74.9%. Its 20-day historical volatility was 35.2%.

Key numbers

30-day implied volatility (IV30): 51.4%
IV30 52-week range: 27.9% to 74.9% (median 43.3%)
Historical volatility: 20-day 35.2%, 1-year 42.4%
Implied move by the nearest expiration: ±3.4%

Data as of October 30, 2026.

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

Name: JHX Implied Volatility
Creator: Market Chameleon