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.

Repligen Corporation (RGEN) had 30-Day Put-Call Ratio (Volume) of 39.6125 for 2026-10-16.

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Figures for 2026-10-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5985
Historical Volatility (Parkinson)	0.5026
Implied Volatility (Calls)	0.6103
Implied Volatility (Puts)	0.6176
Implied Volatility (Mean)	0.6139
Put-Call Implied Volatility Ratio	1.0120
Implied Volatility Skew	-0.0241
Option Statistics
Put-Call Ratio (Volume)	39.6125
Put-Call Ratio (Open Interest)	3.6860