Put-Call Ratio (Open Interest) (90-Day)

Put-Call Ratio (Open Interest): The ratio of outstanding put contracts to outstanding call contracts at the close of the trading day, for options with the relevant expiration date.

Caris Life Sciences,ï¿½Inc. (CAI) had 90-Day Put-Call Ratio (Open Interest) of 0.4335 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.7323
Historical Volatility (Parkinson)	0.5961
Implied Volatility (Calls)	0.6201
Implied Volatility (Puts)	0.7582
Implied Volatility (Mean)	0.6892
Put-Call Implied Volatility Ratio	1.2227
Implied Volatility Skew	0.0469
Option Statistics
Put-Call Ratio (Volume)	0.0000
Put-Call Ratio (Open Interest)	0.4335