Invesco S&P Global Water Index ETF (CGW)'s 30-day implied volatility (IV30) was 16.6% at the close on November 4, 2026, down from 17.2% the day before, against a 52-week range of 9.4% to 20.2%. Its 20-day historical volatility was 14.3%.

Key numbers

30-day implied volatility (IV30): 16.6%
IV30 52-week range: 9.4% to 20.2% (median 15.2%)
Historical volatility: 20-day 14.3%, 1-year 14.5%
Implied move by the nearest expiration: ±1.1%

Data as of November 4, 2026.

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

Name: CGW Implied Volatility
Creator: Market Chameleon