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.

Cogent Communications Holdings, Inc. (CCOI) had 30-Day Put-Call Ratio (Volume) of 5.2152 for 2025-12-05.

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Figures for 2025-12-05

Volatility Metrics
Historical Volatility (Close-to-Close)	1.7487
Historical Volatility (Parkinson)	0.9515
Implied Volatility (Calls)	0.8518
Implied Volatility (Puts)	0.8835
Implied Volatility (Mean)	0.8677
Put-Call Implied Volatility Ratio	1.0373
Implied Volatility Skew	-0.0667
Option Statistics
Put-Call Ratio (Volume)	5.2152
Put-Call Ratio (Open Interest)	0.5893