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.

Regeneron Pharmaceuticals, Inc. (REGN) had 150-Day Put-Call Ratio (Volume) of 38.7812 for 2026-02-20.

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Figures for 2026-02-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.3489
Historical Volatility (Parkinson)	0.3047
Implied Volatility (Calls)	0.3832
Implied Volatility (Puts)	0.3797
Implied Volatility (Mean)	0.3814
Put-Call Implied Volatility Ratio	0.9909
Implied Volatility Skew	0.0256
Option Statistics
Put-Call Ratio (Volume)	38.7812
Put-Call Ratio (Open Interest)	1.7863