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 Portfolio S&P 600 Small Cap ETF (SPSM) had 180-Day Put-Call Ratio (Volume) of 0.0000 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1768
Historical Volatility (Parkinson)	0.1440
Implied Volatility (Calls)	0.1880
Implied Volatility (Puts)	0.2260
Implied Volatility (Mean)	0.2070
Put-Call Implied Volatility Ratio	1.2023
Implied Volatility Skew	0.0454
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.3976