Cogent Communications (CCOI) Stock Chart & Stock Price History $48.63 -0.33 (-0.67%) Closing price 06/10/2025 04:00 PM EasternExtended Trading$48.60 -0.03 (-0.07%) As of 06/10/2025 05:25 PM Eastern Extended trading is trading that happens on electronic markets outside of regular trading hours. This is a fair market value extended hours price provided by Polygon.io. Learn more. Add Compare Share Share Chart Stock AnalysisAnalyst ForecastsChartCompetitorsDividendEarningsFinancialsHeadlinesInsider TradesOptions ChainOwnershipSEC FilingsShort InterestSustainabilityTrendsBuy This Stock Cogent Communications Stock Price Performance The Cogent Communications (CCOI) stock chart highlights key performance trends across multiple timeframes. Over the last 12 months, the stock's price has decreased 6.75%, with a year-to-date return of -36.90%. In the past month, the stock has decreased 0.61%, reflecting recent market activity. As of the latest close, Cogent Communications traded at $48.63 with a market cap of $2.40 billion and volume of 703,321 shares. Five years ago, the stock traded at $79.03, representing a 38.47% decrease over that period. At the time, it had a market cap of $3.69 billion and a volume of 349,800 shares. Receive CCOI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cogent Communications and its competitors with MarketBeat's FREE daily newsletter. Email Address 5 Day Performance+1.65%1 Month Performance-0.61%3 Month Performance-30.46%Year-To-Date Performance-36.90%1 Year Performance-6.75%5 Year Performance-38.47% CCOI Stock Chart for Wednesday, June, 11, 2025 CCOI Chart by TradingView Cogent Communications Stock Price History Daily Weekly Monthly Yearly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year 3 Year 5 Year Time Frame Start Date End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization06/10/2025$48.96$48.63-0.67%$49.37$48.35703,321 shs$2.40 billion06/09/2025$47.84$48.96+2.34%$49.61$47.56772,177 shs$2.42 billion06/06/2025$47.41$47.84+0.91%$48.47$47.37642,970 shs$2.36 billion06/05/2025$47.59$47.41-0.38%$47.89$46.12671,530 shs$2.34 billion06/04/2025$47.48$47.59+0.23%$48.25$47.03953,366 shs$2.35 billion06/03/2025$46.12$47.48+2.95%$47.55$45.43820,413 shs$2.34 billion06/02/2025$45.63$46.12+1.07%$46.89$44.78898,917 shs$2.28 billion05/30/2025$47.50$45.63-3.94%$47.43$45.41907,615 shs$2.25 billion05/29/2025$46.76$47.50+1.58%$47.52$46.17859,369 shs$2.34 billion05/28/2025$49.19$46.76-4.94%$49.27$46.65842,354 shs$2.31 billion Get the Latest News and Ratings for CCOI and Related StocksEnter your email address below to receive the latest news and analysts' ratings for Cogent Communications and its competitors with MarketBeat's FREE daily newsletter. 05/27/2025$46.89$49.19+4.91%$49.22$47.201.33 million shs$2.43 billion05/26/2025$46.89$46.89$47.39$45.11887,074 shs$2.31 billion05/23/2025$45.90$46.89+2.16%$47.39$45.11887,074 shs$2.31 billion05/22/2025$46.05$45.90-0.33%$46.82$43.651.90 million shs$2.26 billion05/21/2025$49.85$46.05-7.62%$49.50$45.761.30 million shs$2.27 billion05/20/2025$49.89$49.85-0.08%$50.27$49.06627,294 shs$2.46 billion05/19/2025$50.59$49.89-1.38%$50.37$48.96557,297 shs$2.46 billion05/16/2025$50.41$50.59+0.36%$51.53$49.98810,119 shs$2.50 billion05/15/2025$50.87$50.41-0.90%$50.83$50.02533,396 shs$2.49 billion05/14/2025$51.27$50.87-0.78%$51.90$49.99838,421 shs$2.51 billion05/13/2025$50.54$51.27+1.44%$51.34$49.39833,046 shs$2.53 billion05/12/2025$48.93$50.54+3.29%$51.03$49.29709,005 shs$2.50 billion Related Companies IRDM Stock Chart ASTS Stock Chart SATS Stock Chart CALX Stock Chart GOGO Stock Chart SPIR Stock Chart TSAT Stock Chart BZFD Stock Chart UCL Stock Chart KORE Stock Chart Receive CCOI Stock News and Ratings via EmailSign-up to receive the latest news and ratings for Cogent Communications and its competitors with MarketBeat's FREE daily newsletter. 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