Put-Call Ratio (Open Interest) (120-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Invesco Global Water ETF (PIO) had 120-Day Put-Call Ratio (Open Interest) of 0.1253 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1895
Historical Volatility (Parkinson)	0.1071
Implied Volatility (Calls)	0.1648
Implied Volatility (Puts)	0.1727
Implied Volatility (Mean)	0.1687
Put-Call Implied Volatility Ratio	1.0479
Implied Volatility Skew	0.0505
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.1253