Put-Call Ratio (Volume) (150-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 150-Day Put-Call Ratio (Volume) of 1.2530 for 2026-03-19.

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Figures for 2026-03-19

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4995
Historical Volatility (Parkinson)	0.4248
Implied Volatility (Calls)	0.5045
Implied Volatility (Puts)	0.5233
Implied Volatility (Mean)	0.5139
Put-Call Implied Volatility Ratio	1.0374
Implied Volatility Skew	0.0284
Option Statistics
Put-Call Ratio (Volume)	1.2530
Put-Call Ratio (Open Interest)	1.1135