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 0.6685 for 2025-08-28.

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Figures for 2025-08-28

Volatility Metrics
Historical Volatility (Close-to-Close)	0.9985
Historical Volatility (Parkinson)	0.7015
Implied Volatility (Calls)	0.5410
Implied Volatility (Puts)	0.5320
Implied Volatility (Mean)	0.5365
Put-Call Implied Volatility Ratio	0.9834
Implied Volatility Skew	0.0625
Option Statistics
Put-Call Ratio (Volume)	0.6685
Put-Call Ratio (Open Interest)	2.2011