Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 1.4283 for 2025-12-15.

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Figures for 2025-12-15

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1206
Historical Volatility (Parkinson)	0.1299
Implied Volatility (Calls)	0.1377
Implied Volatility (Puts)	0.1279
Implied Volatility (Mean)	0.1328
Put-Call Implied Volatility Ratio	0.9292
Implied Volatility Skew	0.0713
Option Statistics
Put-Call Ratio (Volume)	1.4283
Put-Call Ratio (Open Interest)	1.8323