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.

CareDx, Inc. (CDNA) had 10-Day Put-Call Ratio (Volume) of 0.2857 for 2026-04-20.

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Figures for 2026-04-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.6290
Historical Volatility (Parkinson)	0.7886
Implied Volatility (Calls)	1.0228
Implied Volatility (Puts)	0.9495
Implied Volatility (Mean)	0.9861
Put-Call Implied Volatility Ratio	0.9284
Implied Volatility Skew	0.1248
Option Statistics
Put-Call Ratio (Volume)	0.2857
Put-Call Ratio (Open Interest)	0.2710