Put-Call Ratio (Volume) (10-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

CoStar Group, Inc. (CSGP) had 10-Day Put-Call Ratio (Volume) of 0.6762 for 2026-06-18.

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Figures for 2026-06-18

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3959
Historical Volatility (Parkinson)	0.4844
Implied Volatility (Calls)	0.5105
Implied Volatility (Puts)	0.5653
Implied Volatility (Mean)	0.5379
Put-Call Implied Volatility Ratio	1.1074
Implied Volatility Skew	-0.0312
Option Statistics
Put-Call Ratio (Volume)	0.6762
Put-Call Ratio (Open Interest)	0.5528