Put-Call Ratio (Volume) (180-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 180-Day Put-Call Ratio (Volume) of 0.0418 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0300
Historical Volatility (Parkinson)	0.0222
Implied Volatility (Calls)	0.0450
Implied Volatility (Puts)	0.0900
Implied Volatility (Mean)	0.0675
Put-Call Implied Volatility Ratio	2.0013
Implied Volatility Skew	-0.2291
Option Statistics
Put-Call Ratio (Volume)	0.0418
Put-Call Ratio (Open Interest)	6.9761