Put-Call Ratio (Volume) (20-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Invesco S&P 500 Equal Weight ETF (RSP) had 20-Day Put-Call Ratio (Volume) of 10.3819 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1065
Historical Volatility (Parkinson)	0.0908
Implied Volatility (Calls)	0.1757
Implied Volatility (Puts)	0.1454
Implied Volatility (Mean)	0.1606
Put-Call Implied Volatility Ratio	0.8276
Implied Volatility Skew	0.0627
Option Statistics
Put-Call Ratio (Volume)	10.3819
Put-Call Ratio (Open Interest)	0.5057