Put-Call Ratio (Open Interest) (180-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

State Street SPDR Portfolio S&P 1500 Composite Stock Market ETF (SPTM) had 180-Day Put-Call Ratio (Open Interest) of 0.0813 for 2026-03-05.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1162
Historical Volatility (Parkinson)	0.1037
Implied Volatility (Calls)	0.1880
Implied Volatility (Puts)	0.1916
Implied Volatility (Mean)	0.1898
Put-Call Implied Volatility Ratio	1.0188
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0813