Put-Call Ratio (Volume) (180-Day)

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

State Street SPDR S&P 500 ETF Trust (SPY) had 180-Day Put-Call Ratio (Volume) of 2.2693 for 2026-05-26.

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Figures for 2026-05-26

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1276
Historical Volatility (Parkinson)	0.1021
Implied Volatility (Calls)	0.1736
Implied Volatility (Puts)	0.1727
Implied Volatility (Mean)	0.1732
Put-Call Implied Volatility Ratio	0.9949
Implied Volatility Skew	0.0661
Option Statistics
Put-Call Ratio (Volume)	2.2693
Put-Call Ratio (Open Interest)	0.7697