Live Earnings Conference Call: Cogent Communications will host a live Q2 2025 earnings call on August 7, 2025 at 8:30AM ET. Follow this link to get details and listen to Cogent Communications' Q2 2025 earnings call when it goes live. Get details. Cogent Communications (CCOI) Stock Chart & Stock Price History $43.88 -1.82 (-3.98%) Closing price 08/6/2025 04:00 PM EasternExtended Trading$44.36 +0.47 (+1.08%) As of 08/6/2025 07:42 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 34.97%, with a year-to-date return of -43.06%. In the past month, the stock has decreased 10.87%, reflecting recent market activity. As of the latest close, Cogent Communications traded at $43.88 with a market cap of $2.17 billion and volume of 1.23 million shares. Five years ago, the stock traded at $74.61, representing a 41.19% decrease over that period. At the time, it had a market cap of $3.59 billion and a volume of 581,523 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-2.79%1 Month Performance-10.87%3 Month Performance-17.53%Year-To-Date Performance-43.06%1 Year Performance-34.97%5 Year Performance-41.19% CCOI Stock Chart for Thursday, August, 7, 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 Capitalization08/06/2025$45.70$43.88-3.98%$45.75$43.761.23 million shs$2.17 billion08/05/2025$45.28$45.70+0.93%$45.82$44.81583,830 shs$2.25 billion08/04/2025$45.14$45.28+0.31%$45.50$44.89521,740 shs$2.23 billion08/01/2025$45.59$45.14-0.99%$45.56$44.25740,235 shs$2.23 billion07/31/2025$46.97$45.59-2.94%$46.67$45.48900,479 shs$2.25 billion07/30/2025$46.85$46.97+0.26%$47.33$46.00722,172 shs$2.32 billion07/29/2025$47.49$46.85-1.35%$47.93$46.82521,880 shs$2.31 billion07/28/2025$48.83$47.49-2.74%$48.95$47.34560,025 shs$2.34 billion07/25/2025$48.87$48.83-0.08%$49.38$47.92483,365 shs$2.41 billion07/24/2025$50.28$48.87-2.80%$49.93$48.75376,856 shs$2.41 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. 07/23/2025$49.39$50.28+1.80%$50.37$49.12366,343 shs$2.48 billion07/22/2025$47.92$49.39+3.07%$49.48$48.01589,888 shs$2.44 billion07/21/2025$50.00$47.92-4.16%$50.53$47.221.16 million shs$2.36 billion07/18/2025$52.91$50.00-5.50%$52.83$49.621.25 million shs$2.47 billion07/17/2025$52.29$52.91+1.19%$54.37$52.37616,513 shs$2.61 billion07/16/2025$50.25$52.29+4.06%$52.32$50.17677,341 shs$2.58 billion07/15/2025$50.45$50.25-0.40%$50.81$49.65418,944 shs$2.48 billion07/14/2025$49.40$50.45+2.13%$50.48$49.41425,945 shs$2.49 billion07/11/2025$50.52$49.40-2.22%$50.75$49.27445,611 shs$2.44 billion07/10/2025$49.28$50.52+2.52%$50.96$49.12390,035 shs$2.49 billion07/09/2025$49.92$49.28-1.28%$50.34$48.88417,489 shs$2.43 billion07/08/2025$49.23$49.92+1.40%$50.08$49.23328,015 shs$2.46 billion07/07/2025$50.29$49.23-2.11%$50.30$48.87390,712 shs$2.43 billion Related Companies IRDM Stock Chart USM Stock Chart GOGO Stock Chart LILAK Stock Chart LILA Stock Chart NEXN Stock Chart SPOK Stock Chart ATNI Stock Chart OMCC Stock Chart SYTA 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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