Put-Call Ratio (Volume) (10-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 10-Day Put-Call Ratio (Volume) of 0.0042 for 2026-03-06.

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Figures for 2026-03-06

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4036
Historical Volatility (Parkinson)	0.3708
Implied Volatility (Calls)	0.4712
Implied Volatility (Puts)	0.4521
Implied Volatility (Mean)	0.4617
Put-Call Implied Volatility Ratio	0.9593
Implied Volatility Skew	0.1506
Option Statistics
Put-Call Ratio (Volume)	0.0042
Put-Call Ratio (Open Interest)	0.0613