Invesco Water Resources ETF (PHO)'s 30-day implied volatility (IV30) was 19.0% at the close on November 9, 2026, up from 18.7% the day before, against a 52-week range of 9.9% to 25.8%. Its 20-day historical volatility was 19.3%.

Key numbers

30-day implied volatility (IV30): 19.0%
IV30 52-week range: 9.9% to 25.8% (median 16.4%)
Historical volatility: 20-day 19.3%, 1-year 17.2%
Implied move by the nearest expiration: ±1.2%

Data as of November 9, 2026.

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

Name: PHO Implied Volatility
Creator: Market Chameleon