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Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
13.41
+0.25 (1.90%)
At close: Jun 26, 2026, 4:00 PM EDT
13.23
-0.18 (-1.34%)
After-hours: Jun 26, 2026, 6:48 PM EDT

CCOI Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Jun 26, 202613.0213.5012.8413.4113.411.90%2,521,758
Jun 25, 202613.4813.6613.0213.1613.16-2.66%1,856,033
Jun 24, 202614.3714.4413.3313.5213.52-4.52%1,455,543
Jun 23, 202614.5215.2814.0014.1614.16-3.41%1,126,121
Jun 22, 202614.0415.8813.6914.6614.663.31%1,911,315
Jun 18, 202615.0715.2414.1314.1914.19-2.87%1,918,020
Jun 17, 202615.9016.0714.5714.6114.61-8.97%1,120,739
Jun 16, 202616.4616.9716.0016.0516.05-2.43%927,924
Jun 15, 202616.0417.6516.0016.4516.453.72%1,238,758
Jun 12, 202615.0915.9114.6115.8615.866.16%1,119,343
Jun 11, 202614.4615.0914.4114.9414.943.32%966,838
Jun 10, 202615.7516.0514.4314.4614.46-8.54%1,076,323
Jun 9, 202616.8617.3415.7915.8115.81-5.78%624,960
Jun 8, 202617.0817.9516.7416.7816.78-0.30%994,599
Jun 5, 202617.4417.7416.3016.8316.83-2.66%763,597
Jun 4, 202616.6117.4316.6117.2917.295.49%581,729
Jun 3, 202617.4317.4916.2816.3916.39-5.80%1,090,210
Jun 2, 202617.5517.6017.0817.4017.40-1.64%768,509
Jun 1, 202617.2618.0617.0017.6917.69-0.39%1,100,455
May 29, 202619.0219.2617.1817.7617.76-10.39%2,002,207
May 28, 202621.5321.7019.8019.8219.82-8.33%1,419,220
May 27, 202619.9621.7219.4921.6221.628.32%1,135,400
May 26, 202620.1520.7018.9419.9619.969.91%2,447,928
May 22, 202618.4118.6917.6818.1618.16-1.14%595,389
May 21, 202617.5018.5817.3018.3718.373.38%909,465
May 20, 202617.5918.2616.7617.7717.770.51%972,803
May 19, 202617.0117.9416.7017.6817.682.67%1,033,637
May 18, 202616.8617.9016.7117.2217.224.62%1,221,645
May 15, 202615.9516.5015.5216.4816.462.30%1,006,517
May 14, 202615.9716.8115.7216.1116.092.16%812,712
May 13, 202615.9616.4815.5215.7715.75-2.11%916,363
May 12, 202616.4316.5315.9616.1116.09-1.77%894,406
May 11, 202616.7017.2516.2716.4016.38-1.50%1,072,657
May 8, 202616.3917.4716.0816.6516.632.02%1,184,473
May 7, 202616.5217.1716.1216.3216.30-1.66%1,370,618
May 6, 202618.3018.6216.2016.6016.57-8.11%1,941,221
May 5, 202616.6118.6516.1018.0618.0410.32%4,009,363
May 4, 202616.4917.8914.8216.3716.35-29.32%7,556,381
May 1, 202622.9524.2322.9023.1623.132.25%1,461,514
Apr 30, 202623.3223.7621.9822.6522.62-3.45%1,739,301
Apr 29, 202623.9523.9623.2023.4623.43-3.10%608,269
Apr 28, 202624.5324.8323.8924.2124.18-1.90%477,691
Apr 27, 202624.6025.2124.2424.6824.650.86%634,058
Apr 24, 202623.9324.7223.4724.4724.442.09%537,447
Apr 23, 202623.3224.2122.9723.9723.942.70%799,552
Apr 22, 202623.7024.0422.7323.3423.31-0.68%757,028
Apr 21, 202624.4324.4923.3923.5023.47-3.65%841,030
Apr 20, 202623.4724.7623.2124.3924.363.22%1,183,147
Apr 17, 202623.5623.8523.0623.6323.601.63%805,799
Apr 16, 202623.5324.0022.3923.2523.22-1.19%910,155
Apr 15, 202622.7824.3122.4823.5323.504.39%922,144
Apr 14, 202621.6323.0620.9522.5422.515.43%1,085,583
Apr 13, 202620.2721.9619.7921.3821.355.27%1,038,594
Apr 10, 202620.7321.1520.1920.3120.29-0.64%632,811
Apr 9, 202619.6420.5119.4920.4420.423.65%851,630
Apr 8, 202621.0521.3519.5019.7219.70-2.18%937,683
Apr 7, 202619.2020.4218.8220.1620.144.89%956,189
Apr 6, 202619.0219.4718.8619.2219.201.16%716,007
Apr 2, 202618.0419.0317.7919.0018.983.77%775,106
Apr 1, 202619.0519.2818.1918.3118.29-2.81%781,498
Mar 31, 202617.7918.9017.3518.8418.827.90%1,656,159
Mar 30, 202617.7418.1317.2717.4617.44-0.91%804,097
Mar 27, 202617.7217.9117.2217.6217.60-1.67%905,134
Mar 26, 202618.0718.5917.5817.9217.90-2.29%922,519
Mar 25, 202618.4518.7818.1018.3418.320.38%764,292
Mar 24, 202618.6319.2718.0418.2718.25-3.08%735,501
Mar 23, 202618.4319.4418.1018.8518.834.43%1,489,962
Mar 20, 202620.0320.0318.0218.0518.03-9.84%4,006,717
Mar 19, 202619.0020.0618.7020.0220.003.57%851,053
Mar 18, 202620.2220.2419.2819.3319.31-4.92%807,923
Mar 17, 202619.5421.2319.3420.3320.315.17%949,210
Mar 16, 202618.8219.7818.5119.3319.312.82%872,061
Mar 13, 202619.7820.2518.6218.8018.78-4.23%1,046,831
Mar 12, 202620.9721.1819.5019.6319.61-8.01%1,010,521
Mar 11, 202622.2422.5021.1221.3421.31-3.04%735,991
Mar 10, 202621.8522.2421.3322.0121.98-2.18%1,106,266
Mar 9, 202622.7722.9821.5822.5022.47-2.47%1,002,229
Mar 6, 202622.4323.5021.9123.0723.041.41%932,408
Mar 5, 202622.6323.5022.1822.7722.72-1.39%1,424,640
Mar 4, 202622.0023.3421.4523.0923.046.75%1,286,485
Mar 3, 202621.6821.9920.5021.6321.58-2.52%1,189,960
Mar 2, 202618.2422.3818.1622.1922.1418.28%2,104,036
Feb 27, 202618.6018.7817.9918.7618.721.13%904,006
Feb 26, 202618.6719.1918.2618.5518.510.32%958,175
Feb 25, 202618.8518.9818.0318.4918.45-2.38%994,844
Feb 24, 202618.2418.9617.6818.9418.905.99%1,605,656
Feb 23, 202618.1818.8116.4117.8717.83-3.85%3,466,372
Feb 20, 202622.3022.3917.4218.5918.55-29.36%7,029,855
Feb 19, 202627.7527.8825.5126.3126.25-4.88%2,298,091
Feb 18, 202626.3328.7125.7827.6627.603.25%1,570,787
Feb 17, 202626.6127.1826.3126.7926.731.25%1,268,726
Feb 13, 202626.3526.7825.6326.4626.400.61%568,075
Feb 12, 202626.8427.3425.5926.3026.25-0.79%906,579
Feb 11, 202626.5526.5625.6026.5126.450.57%798,542
Feb 10, 202625.2926.5924.8026.3626.305.15%1,240,227
Feb 9, 202624.3025.6623.6225.0725.023.21%882,067
Feb 6, 202622.9224.5022.6824.2924.247.72%1,088,624
Feb 5, 202624.2524.2822.3122.5522.50-6.47%1,248,761
Feb 4, 202624.3124.6023.3424.1124.06-0.58%910,144
Feb 3, 202624.7325.3323.7824.2524.20-1.86%1,102,972