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 600 Small Cap ETF (SPSM) had 120-Day Put-Call Ratio (Volume) of 0.6667 for 2026-04-21.

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Figures for 2026-04-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1782
Historical Volatility (Parkinson)	0.1594
Implied Volatility (Calls)	0.2382
Implied Volatility (Puts)	0.2197
Implied Volatility (Mean)	0.2289
Put-Call Implied Volatility Ratio	0.9224
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.6667
Put-Call Ratio (Open Interest)	0.1185