Put-Call Ratio (Volume) (20-Day)

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

CytomX Therapeutics, Inc. (CTMX) had 20-Day Put-Call Ratio (Volume) of 0.0053 for 2026-07-20.

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Figures for 2026-07-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4560
Historical Volatility (Parkinson)	0.5800
Implied Volatility (Calls)	1.0740
Implied Volatility (Puts)	0.7754
Implied Volatility (Mean)	0.9247
Put-Call Implied Volatility Ratio	0.7219
Implied Volatility Skew	0.1945
Option Statistics
Put-Call Ratio (Volume)	0.0053
Put-Call Ratio (Open Interest)	0.4905