Put-Call Ratio (Open Interest) (120-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.
Applied Optoelectronics, Inc. (AAOI) had 120-Day Put-Call Ratio (Open Interest) of 1.5538 for 2026-10-16.
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