Put-Call Ratio (Volume) (120-Day)

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

State Street SPDR Portfolio S&P 500 ETF (SPYM) had 120-Day Put-Call Ratio (Volume) of 0.1662 for 2026-10-08.

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Figures for 2026-10-08

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1179
Historical Volatility (Parkinson)	0.0863
Implied Volatility (Calls)	0.1451
Implied Volatility (Puts)	0.1475
Implied Volatility (Mean)	0.1463
Put-Call Implied Volatility Ratio	1.0171
Implied Volatility Skew	0.0694
Option Statistics
Put-Call Ratio (Volume)	0.1662
Put-Call Ratio (Open Interest)	0.9992