Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 0.2712 for 2025-12-08.

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Figures for 2025-12-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0499
Historical Volatility (Parkinson)	0.0629
Implied Volatility (Calls)	0.1424
Implied Volatility (Puts)	0.1447
Implied Volatility (Mean)	0.1435
Put-Call Implied Volatility Ratio	1.0158
Implied Volatility Skew	0.0134
Option Statistics
Put-Call Ratio (Volume)	0.2712
Put-Call Ratio (Open Interest)	0.7810