CoStar Group, Inc. (CSGP)

Last Closing Price: 64.83 (2025-12-17)

Put-Call Ratio (Open Interest) (30-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.

CoStar Group, Inc. (CSGP) had 30-Day Put-Call Ratio (Open Interest) of 0.4143 for 2025-12-17.