Put-Call Ratio (Open Interest) (20-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 S&P 500 Equal Weight Energy ETF (RSPG) had 20-Day Put-Call Ratio (Open Interest) of 0.9286 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2328
Historical Volatility (Parkinson)	0.1986
Implied Volatility (Calls)	0.2295
Implied Volatility (Puts)	0.2421
Implied Volatility (Mean)	0.2358
Put-Call Implied Volatility Ratio	1.0550
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.9286