Put-Call Ratio (Open Interest) (90-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 National AMT-Free Municipal Bond ETF (PZA) had 90-Day Put-Call Ratio (Open Interest) of 0.0035 for 2026-01-16.
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