Put-Call Ratio (Volume) (20-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 20-Day Put-Call Ratio (Volume) of 0.6190 for 2026-04-06.

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Figures for 2026-04-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.2534
Historical Volatility (Parkinson)	0.2264
Implied Volatility (Calls)	0.4465
Implied Volatility (Puts)	0.4429
Implied Volatility (Mean)	0.4447
Put-Call Implied Volatility Ratio	0.9920
Implied Volatility Skew	0.1033
Option Statistics
Put-Call Ratio (Volume)	0.6190
Put-Call Ratio (Open Interest)	0.6476