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.
iShares National Muni Bond ETF (MUB) had 30-Day Put-Call Ratio (Open Interest) of 0.5055 for 2025-05-30.
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