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.

CareDx, Inc. (CDNA) had 30-Day Put-Call Ratio (Volume) of 12.6914 for 2026-07-17.

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Figures for 2026-07-17

Volatility Metrics
Historical Volatility (Close-to-Close)	1.1978
Historical Volatility (Parkinson)	0.5523
Implied Volatility (Calls)	0.6737
Implied Volatility (Puts)	0.6736
Implied Volatility (Mean)	0.6736
Put-Call Implied Volatility Ratio	0.9998
Implied Volatility Skew	0.1685
Option Statistics
Put-Call Ratio (Volume)	12.6914
Put-Call Ratio (Open Interest)	5.4184