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.

SPDR S&P 500 ETF (SPY) had 20-Day Put-Call Ratio (Volume) of 2.2938 for 2025-07-08.

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Figures for 2025-07-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0873
Historical Volatility (Parkinson)	0.0780
Implied Volatility (Calls)	0.1377
Implied Volatility (Puts)	0.1329
Implied Volatility (Mean)	0.1353
Put-Call Implied Volatility Ratio	0.9648
Implied Volatility Skew	0.0484
Option Statistics
Put-Call Ratio (Volume)	2.2938
Put-Call Ratio (Open Interest)	8.0128