Put-Call Ratio (Volume) (150-Day)

Put-Call Ratio (Volume): The ratio of puts traded to calls traded, for options with the relevant expiration date.

Cardiff Oncology, Inc. (CRDF) 150-Day Put-Call Ratio (Volume) data is not available for 2026-10-20.

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Figures for 2026-10-20

Volatility Metrics
Historical Volatility (Close-to-Close)	1.0082
Historical Volatility (Parkinson)	0.8067
Implied Volatility (Calls)	1.7314
Implied Volatility (Puts)	1.5189
Implied Volatility (Mean)	1.6251
Put-Call Implied Volatility Ratio	0.8772
Implied Volatility Skew	0.1261
Option Statistics
Put-Call Ratio (Volume)	--
Put-Call Ratio (Open Interest)	0.0100