Castle Biosciences, Inc. (CSTL)

Last Closing Price: 27.12 (2026-03-06)

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.

Castle Biosciences, Inc. (CSTL) had 90-Day Put-Call Ratio (Open Interest) of 0.6538 for 2026-03-06.