Cogent Communications (CCOI) Stock Chart & Stock Price History $61.65 -0.01 (-0.02%) Closing price 04:00 PM EasternExtended Trading$61.50 -0.15 (-0.24%) As of 06:00 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 5 Day Performance+0.37%1 Month Performance-15.42%3 Month Performance-19.83%6 Month Performance-18.11%Year-To-Date Performance-19.81%1 Year Performance-1.81% 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 CCOI Stock Chart for Wednesday, April, 2, 2025 CCOI Chart by TradingViewRemove Ads Cogent Communications Stock Price History Daily Weekly Monthly Time Frame Custom Range 1 Month 3 Months 6 Months Year-to-Date 1 Year Time Frame * Start Date * End Date Export to Excel DateOpening PriceClosing PriceHighLowVolumeMarket Capitalization04/01/2025$61.31$61.66+0.57%$62.06$60.06399,836 shs$3.04 billion03/31/2025$61.57$61.31-0.42%$61.85$60.11622,443 shs$3.01 billion03/28/2025$61.50$61.57+0.11%$62.10$60.39403,279 shs$3.02 billion03/27/2025$63.07$61.50-2.49%$63.22$61.23769,949 shs$3.02 billion03/26/2025$63.89$63.07-1.28%$64.88$62.75572,536 shs$3.09 billion03/25/2025$68.15$63.89-6.25%$68.10$63.86720,619 shs$3.13 billion03/24/2025$68.31$68.15-0.23%$69.63$68.13335,751 shs$3.34 billion03/21/2025$68.97$68.31-0.96%$69.21$67.51835,471 shs$3.37 billion03/20/2025$70.51$68.97-2.18%$70.50$68.91253,791 shs$3.40 billion03/19/2025$70.35$70.51+0.23%$71.55$69.70278,771 shs$3.48 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. 03/18/2025$70.91$70.35-0.79%$71.48$70.12249,020 shs$3.47 billion03/17/2025$68.52$70.91+3.49%$71.48$68.04413,283 shs$3.50 billion03/14/2025$67.61$68.52+1.35%$68.78$67.66310,283 shs$3.38 billion03/13/2025$69.94$67.61-3.33%$69.21$67.54280,942 shs$3.33 billion03/12/2025$69.93$69.94+0.01%$70.50$68.75422,194 shs$3.45 billion03/11/2025$69.63$69.93+0.43%$71.24$69.46328,006 shs$3.45 billion03/10/2025$71.59$69.63-2.74%$71.82$69.00453,115 shs$3.43 billion03/07/2025$70.90$71.59+0.97%$72.68$70.19395,612 shs$3.51 billion03/06/2025$70.19$70.90+1.01%$71.06$68.83442,070 shs$3.48 billion03/05/2025$71.26$70.19-1.50%$72.42$70.01511,069 shs$3.44 billion03/04/2025$71.32$71.26-0.08%$72.80$70.51584,243 shs$3.49 billion03/03/2025$73.07$71.32-2.39%$75.46$70.74710,099 shs$3.50 billion Related Companies IRDM Stock Chart ASTS Stock Chart SATS Stock Chart CALX Stock Chart GOGO Stock Chart TSAT Stock Chart SPIR 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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