Put-Call Ratio (Volume) (60-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 60-Day Put-Call Ratio (Volume) of 0.8475 for 2026-09-16.

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Figures for 2026-09-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4774
Historical Volatility (Parkinson)	0.4635
Implied Volatility (Calls)	0.5324
Implied Volatility (Puts)	0.5090
Implied Volatility (Mean)	0.5207
Put-Call Implied Volatility Ratio	0.9561
Implied Volatility Skew	0.0483
Option Statistics
Put-Call Ratio (Volume)	0.8475
Put-Call Ratio (Open Interest)	1.8360