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.

C4 Therapeutics, Inc. (CCCC) had 20-Day Put-Call Ratio (Volume) of 0.2270 for 2026-09-03.

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Figures for 2026-09-03

Volatility Metrics
Historical Volatility (Close-to-Close)	0.4714
Historical Volatility (Parkinson)	0.5709
Implied Volatility (Calls)	3.3794
Implied Volatility (Puts)	0.7197
Implied Volatility (Mean)	2.0495
Put-Call Implied Volatility Ratio	0.2130
Implied Volatility Skew	-0.8968
Option Statistics
Put-Call Ratio (Volume)	0.2270
Put-Call Ratio (Open Interest)	1.7404