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 S&P 500 Fossil Fuel Reserves Free ETF (SPYX) 180-Day Put-Call Ratio (Open Interest) data is not available for 2026-04-21.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.1398
Historical Volatility (Parkinson)	0.1052
Implied Volatility (Calls)	0.1498
Implied Volatility (Puts)	0.1989
Implied Volatility (Mean)	0.1744
Put-Call Implied Volatility Ratio	1.3272
Implied Volatility Skew	0.0888
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	--