Phathom Pharmaceuticals, Inc. (PHAT)

Last Closing Price: 10.65 (2026-07-20)

Put-Call Ratio (Open Interest) (20-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.

Phathom Pharmaceuticals, Inc. (PHAT) had 20-Day Put-Call Ratio (Open Interest) of 0.7487 for 2026-07-20.