CCOI – Cogent Comm Hlds Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get two free stocks! Stock Price CCOI Quotes by TradingView Stock Description CCOI is the stock symbol for Cogent Comm Hlds on the NASDAQ Stock Market (NASDAQ). CCOI Profile by TradingView Stock Chart CCOI Quotes by TradingView Technical Analysis Technical Analysis for CCOI by TradingView Canada's first $0 commission stock trading app is WealthSimple Trade.Click here to sign up and get two free stocks! NASDAQ StocksNASDAQ Stocks CStocks