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Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
24.21
-0.47 (-1.90%)
At close: Apr 28, 2026, 4:00 PM EDT
24.00
-0.21 (-0.87%)
After-hours: Apr 28, 2026, 5:14 PM EDT

CCOI Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Apr 28, 202624.5324.8323.8924.2124.21-1.90%477,596
Apr 27, 202624.6025.2124.2424.6824.680.86%634,058
Apr 24, 202623.9324.7223.4724.4724.472.09%537,447
Apr 23, 202623.3224.2122.9723.9723.972.70%799,552
Apr 22, 202623.7024.0422.7323.3423.34-0.68%757,028
Apr 21, 202624.4324.4923.3923.5023.50-3.65%841,030
Apr 20, 202623.4724.7623.2124.3924.393.22%1,183,147
Apr 17, 202623.5623.8523.0623.6323.631.63%805,799
Apr 16, 202623.5324.0022.3923.2523.25-1.19%910,155
Apr 15, 202622.7824.3122.4823.5323.534.39%922,144
Apr 14, 202621.6323.0620.9522.5422.545.43%1,085,583
Apr 13, 202620.2721.9619.7921.3821.385.27%1,038,594
Apr 10, 202620.7321.1520.1920.3120.31-0.64%632,811
Apr 9, 202619.6420.5119.4920.4420.443.65%851,630
Apr 8, 202621.0521.3519.5019.7219.72-2.18%937,683
Apr 7, 202619.2020.4218.8220.1620.164.89%956,189
Apr 6, 202619.0219.4718.8619.2219.221.16%716,007
Apr 2, 202618.0419.0317.7919.0019.003.77%775,106
Apr 1, 202619.0519.2818.1918.3118.31-2.81%781,498
Mar 31, 202617.7918.9017.3518.8418.847.90%1,656,159
Mar 30, 202617.7418.1317.2717.4617.46-0.91%804,097
Mar 27, 202617.7217.9117.2217.6217.62-1.67%905,134
Mar 26, 202618.0718.5917.5817.9217.92-2.29%922,519
Mar 25, 202618.4518.7818.1018.3418.340.38%764,292
Mar 24, 202618.6319.2718.0418.2718.27-3.08%735,501
Mar 23, 202618.4319.4418.1018.8518.854.43%1,489,962
Mar 20, 202620.0320.0318.0218.0518.05-9.84%4,006,717
Mar 19, 202619.0020.0618.7020.0220.023.57%851,053
Mar 18, 202620.2220.2419.2819.3319.33-4.92%807,923
Mar 17, 202619.5421.2319.3420.3320.335.17%949,210
Mar 16, 202618.8219.7818.5119.3319.332.82%872,061
Mar 13, 202619.7820.2518.6218.8018.80-4.23%1,046,831
Mar 12, 202620.9721.1819.5019.6319.63-8.01%1,010,521
Mar 11, 202622.2422.5021.1221.3421.34-3.04%735,991
Mar 10, 202621.8522.2421.3322.0122.01-2.18%1,106,266
Mar 9, 202622.7722.9821.5822.5022.50-2.47%1,002,229
Mar 6, 202622.4323.5021.9123.0723.071.32%932,408
Mar 5, 202622.6323.5022.1822.7722.75-1.39%1,424,640
Mar 4, 202622.0023.3421.4523.0923.076.75%1,286,485
Mar 3, 202621.6821.9920.5021.6321.61-2.52%1,189,960
Mar 2, 202618.2422.3818.1622.1922.1718.28%2,104,036
Feb 27, 202618.6018.7817.9918.7618.741.13%904,006
Feb 26, 202618.6719.1918.2618.5518.530.32%958,175
Feb 25, 202618.8518.9818.0318.4918.47-2.38%994,844
Feb 24, 202618.2418.9617.6818.9418.925.99%1,605,656
Feb 23, 202618.1818.8116.4117.8717.85-3.85%3,466,372
Feb 20, 202622.3022.3917.4218.5918.57-29.36%7,029,855
Feb 19, 202627.7527.8825.5126.3126.29-4.88%2,298,091
Feb 18, 202626.3328.7125.7827.6627.643.25%1,570,787
Feb 17, 202626.6127.1826.3126.7926.771.25%1,268,726
Feb 13, 202626.3526.7825.6326.4626.440.61%568,075
Feb 12, 202626.8427.3425.5926.3026.28-0.79%906,579
Feb 11, 202626.5526.5625.6026.5126.490.57%798,542
Feb 10, 202625.2926.5924.8026.3626.345.15%1,240,227
Feb 9, 202624.3025.6623.6225.0725.053.21%882,067
Feb 6, 202622.9224.5022.6824.2924.277.72%1,088,624
Feb 5, 202624.2524.2822.3122.5522.53-6.47%1,248,761
Feb 4, 202624.3124.6023.3424.1124.09-0.58%910,144
Feb 3, 202624.7325.3323.7824.2524.23-1.86%1,102,972
Feb 2, 202623.8825.5523.8424.7124.691.69%1,085,378
Jan 30, 202624.2224.6023.6724.3024.281.08%838,686
Jan 29, 202623.4124.8123.0924.0424.022.78%791,203
Jan 28, 202624.1924.6423.2723.3923.37-2.01%513,840
Jan 27, 202624.0224.0223.4523.8723.85-0.60%438,546
Jan 26, 202624.2924.3523.6224.0223.99-1.13%450,423
Jan 23, 202624.5524.8424.2124.2924.27-1.70%451,457
Jan 22, 202623.9125.0523.7924.7124.694.17%646,744
Jan 21, 202623.0423.9822.8823.7223.702.60%715,829
Jan 20, 202623.2124.0122.7923.1223.10-3.06%929,536
Jan 16, 202623.0123.8822.7823.8523.832.76%956,067
Jan 15, 202623.4823.8022.8423.2123.19-0.98%679,544
Jan 14, 202622.6124.2322.3723.4423.422.99%985,316
Jan 13, 202623.2823.5022.2622.7622.74-2.23%800,356
Jan 12, 202622.9623.6122.8423.2823.261.48%698,826
Jan 9, 202622.4823.2322.3022.9422.922.78%725,827
Jan 8, 202622.1222.7521.9822.3222.300.90%1,083,551
Jan 7, 202621.0022.1720.9222.1222.106.76%961,755
Jan 6, 202619.4720.7819.3820.7220.706.20%892,433
Jan 5, 202620.5020.7919.4519.5119.49-5.38%1,308,628
Jan 2, 202621.6221.7520.5020.6220.60-4.36%1,021,183
Dec 31, 202521.8922.0721.2221.5621.54-1.37%1,526,351
Dec 30, 202521.8622.5921.6021.8621.84-0.41%1,684,572
Dec 29, 202522.4122.8621.9221.9521.93-2.70%895,860
Dec 26, 202522.2822.6121.7622.5622.541.39%642,942
Dec 24, 202521.9122.7221.8122.2522.231.62%472,583
Dec 23, 202522.1822.3320.9321.9021.88-2.99%1,425,436
Dec 22, 202521.8223.1421.8022.5722.553.63%1,241,317
Dec 19, 202522.5322.5321.6921.7821.76-3.24%3,379,496
Dec 18, 202522.6423.1121.9422.5122.49-0.75%1,405,247
Dec 17, 202522.9124.0822.5822.6822.66-1.61%2,118,396
Dec 16, 202522.7923.6422.4623.0523.030.92%1,380,396
Dec 15, 202523.4123.7122.4222.8422.82-1.85%1,445,598
Dec 12, 202524.2824.3323.0623.2723.25-4.36%931,731
Dec 11, 202523.9925.9723.9024.3324.312.14%1,843,169
Dec 10, 202521.7724.4521.1223.8223.8011.10%1,988,588
Dec 9, 202521.2021.4620.4421.4421.421.18%978,759
Dec 8, 202519.7921.7919.7921.1921.178.00%1,652,616
Dec 5, 202518.6419.7918.5719.6219.604.64%1,725,690
Dec 4, 202519.5019.6618.7418.7518.73-4.29%1,035,572
Dec 3, 202519.8420.1319.2519.5919.57-2.00%841,094