Put-Call Ratio (Volume) (120-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 120-Day Put-Call Ratio (Volume) of 5.6982 for 2025-08-13.

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Figures for 2025-08-13

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3267
Historical Volatility (Parkinson)	0.2514
Implied Volatility (Calls)	0.2899
Implied Volatility (Puts)	0.2925
Implied Volatility (Mean)	0.2912
Put-Call Implied Volatility Ratio	1.0090
Implied Volatility Skew	0.0366
Option Statistics
Put-Call Ratio (Volume)	5.6982
Put-Call Ratio (Open Interest)	0.4029