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.

C4 Therapeutics, Inc. (CCCC) had 30-Day Put-Call Ratio (Volume) of 192.8571 for 2026-08-20.

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Figures for 2026-08-20

Volatility Metrics
Historical Volatility (Close-to-Close)	0.5613
Historical Volatility (Parkinson)	0.6073
Implied Volatility (Calls)	0.9693
Implied Volatility (Puts)	1.4196
Implied Volatility (Mean)	1.1944
Put-Call Implied Volatility Ratio	1.4646
Implied Volatility Skew	-0.0220
Option Statistics
Put-Call Ratio (Volume)	192.8571
Put-Call Ratio (Open Interest)	0.2543