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.

Cardiff Oncology, Inc. (CRDF) had 30-Day Put-Call Ratio (Volume) of 0.0377 for 2026-01-16.

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Figures for 2026-01-16

Volatility Metrics
Historical Volatility (Close-to-Close)	0.8456
Historical Volatility (Parkinson)	0.7470
Implied Volatility (Calls)	1.1896
Implied Volatility (Puts)	1.7143
Implied Volatility (Mean)	1.4520
Put-Call Implied Volatility Ratio	1.4410
Implied Volatility Skew	0.0494
Option Statistics
Put-Call Ratio (Volume)	0.0377
Put-Call Ratio (Open Interest)	0.1407