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.

Catalyst Pharmaceuticals, Inc. (CPRX) had 30-Day Put-Call Ratio (Volume) of 0.3010 for 2025-11-03.

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Figures for 2025-11-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3028
Historical Volatility (Parkinson)	0.2796
Implied Volatility (Calls)	0.6647
Implied Volatility (Puts)	0.7574
Implied Volatility (Mean)	0.7110
Put-Call Implied Volatility Ratio	1.1394
Implied Volatility Skew	-0.0812
Option Statistics
Put-Call Ratio (Volume)	0.3010
Put-Call Ratio (Open Interest)	1.0181