Put-Call Ratio (Open Interest) (30-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 Nuveen ICE High Yield Municipal Bond ETF (HYMB) had 30-Day Put-Call Ratio (Open Interest) of 0.0877 for 2026-01-16.

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Volatility Metrics
Historical Volatility (Close-to-Close)	0.0294
Historical Volatility (Parkinson)	0.0263
Implied Volatility (Calls)	0.0590
Implied Volatility (Puts)	0.1342
Implied Volatility (Mean)	0.0966
Put-Call Implied Volatility Ratio	2.2758
Implied Volatility Skew	0.0598
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.0877