Home › COGENT COMMUNICATIONS HLD. › Profile COGENT COMMUNICATIONS HLD. OverviewQuotesChartSignalsNewsAnalysesWarrantsProfileWall - USD (-) - 15 min delayed data - NASDAQ Stocks Open: - Change: - Volume: - Low: - High: - High / Low range: - Type: Stocks Ticker: CCOI ISIN: Overview Quotes Chart Signals News Analyses Warrants Profile Wall More information about COGENT COMMUNICATIONS HLD. Type: Stocks Sector: Telecommunication Ticker: CCOI ISIN: http://cogentco.com/ About Twitter COGENT COMMUNICATIONS HLD.