Put-Call Ratio (Volume) (30-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 30-Day Put-Call Ratio (Volume) of 1.5207 for 2025-08-01.

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Figures for 2025-08-01

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2797
Historical Volatility (Parkinson)	0.2049
Implied Volatility (Calls)	0.2666
Implied Volatility (Puts)	0.2604
Implied Volatility (Mean)	0.2635
Put-Call Implied Volatility Ratio	0.9767
Implied Volatility Skew	0.0160
Option Statistics
Put-Call Ratio (Volume)	1.5207
Put-Call Ratio (Open Interest)	2.1522