Put-Call Ratio (Volume) (30-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 400 Mid Cap ETF (SPMD) had 30-Day Put-Call Ratio (Volume) of 0.0833 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.1185
Historical Volatility (Parkinson)	0.1177
Implied Volatility (Calls)	0.1940
Implied Volatility (Puts)	0.1700
Implied Volatility (Mean)	0.1820
Put-Call Implied Volatility Ratio	0.8763
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0833
Put-Call Ratio (Open Interest)	0.0300