Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

iShares National Muni Bond ETF (MUB) had 150-Day Put-Call Ratio (Volume) of 0.0000 for 2026-07-21.

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Figures for 2026-07-21

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0348
Historical Volatility (Parkinson)	0.0252
Implied Volatility (Calls)	0.0379
Implied Volatility (Puts)	0.0895
Implied Volatility (Mean)	0.0637
Put-Call Implied Volatility Ratio	2.3608
Implied Volatility Skew	-0.0469
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.9358