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.

Catalyst Pharmaceuticals, Inc. (CPRX) had 60-Day Put-Call Ratio (Volume) of 33.0648 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2661
Historical Volatility (Parkinson)	0.2936
Implied Volatility (Calls)	0.5683
Implied Volatility (Puts)	0.4501
Implied Volatility (Mean)	0.5092
Put-Call Implied Volatility Ratio	0.7920
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	33.0648
Put-Call Ratio (Open Interest)	0.3725