Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 0.8509 for 2026-08-10.

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Figures for 2026-08-10

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1465
Historical Volatility (Parkinson)	0.1071
Implied Volatility (Calls)	0.1630
Implied Volatility (Puts)	0.1577
Implied Volatility (Mean)	0.1603
Put-Call Implied Volatility Ratio	0.9674
Implied Volatility Skew	0.0674
Option Statistics
Put-Call Ratio (Volume)	0.8509
Put-Call Ratio (Open Interest)	1.3979