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.

Invesco California AMT-Free Municipal Bond ETF (PWZ) had 30-Day Put-Call Ratio (Open Interest) of 0.0000 for 2025-07-30.

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Figures for 2025-07-30

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0362
Historical Volatility (Parkinson)	0.0543
Implied Volatility (Calls)	0.3283
Implied Volatility (Puts)	0.3350
Implied Volatility (Mean)	0.3317
Put-Call Implied Volatility Ratio	1.0205
Implied Volatility Skew	0.0942
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0000