Put-Call Ratio (Open Interest) (180-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 U.S. Regional Banks ETF (IAT) had 180-Day Put-Call Ratio (Open Interest) of 6.2927 for 2026-01-16.
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