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.

Charles River Laboratories International, Inc. (CRL) had 30-Day Put-Call Ratio (Volume) of 1.5986 for 2025-12-04.

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Figures for 2025-12-04

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4006
Historical Volatility (Parkinson)	0.3929
Implied Volatility (Calls)	0.4066
Implied Volatility (Puts)	0.4230
Implied Volatility (Mean)	0.4148
Put-Call Implied Volatility Ratio	1.0403
Implied Volatility Skew	0.0268
Option Statistics
Put-Call Ratio (Volume)	1.5986
Put-Call Ratio (Open Interest)	1.0858