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.

Caris Life Sciences,ï¿½Inc. (CAI) had 30-Day Put-Call Ratio (Volume) of 0.0928 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8963
Historical Volatility (Parkinson)	0.5487
Implied Volatility (Calls)	0.6578
Implied Volatility (Puts)	0.6266
Implied Volatility (Mean)	0.6422
Put-Call Implied Volatility Ratio	0.9526
Implied Volatility Skew	--
Option Statistics
Put-Call Ratio (Volume)	0.0928
Put-Call Ratio (Open Interest)	0.4996