Put-Call Ratio (Volume) (90-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 90-Day Put-Call Ratio (Volume) of 0.5970 for 2026-01-20.

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Figures for 2026-01-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.0197
Historical Volatility (Parkinson)	0.0174
Implied Volatility (Calls)	0.0476
Implied Volatility (Puts)	0.0558
Implied Volatility (Mean)	0.0517
Put-Call Implied Volatility Ratio	1.1720
Implied Volatility Skew	-0.0042
Option Statistics
Put-Call Ratio (Volume)	0.5970
Put-Call Ratio (Open Interest)	0.6422