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Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
23.07
+0.32 (1.41%)
At close: Mar 6, 2026, 4:00 PM EST
23.23
+0.16 (0.69%)
After-hours: Mar 6, 2026, 6:50 PM EST

CCOI Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Mar 6, 202622.4323.5021.9123.0723.071.32%932,063
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
Dec 2, 202519.5920.5819.3919.9919.972.67%1,224,283
Dec 1, 202518.7919.8218.7119.4719.452.04%1,345,652
Nov 28, 202519.0119.5018.8019.0819.060.42%900,649
Nov 26, 202517.9319.5017.8419.0018.986.20%1,970,584
Nov 25, 202517.0818.0016.7817.8917.874.25%1,617,530
Nov 24, 202517.4217.4216.7017.1617.140.65%1,626,349
Nov 21, 202516.6817.2116.2517.0517.042.22%2,745,675
Nov 20, 202517.4517.7216.6616.6816.65-1.77%2,537,062
Nov 19, 202519.6519.7816.8716.9816.94-14.29%1,719,618
Nov 18, 202518.9620.2818.7219.8119.777.08%2,524,112
Nov 17, 202517.4918.9817.3218.5018.465.41%2,382,274
Nov 14, 202516.1418.1215.9617.5517.515.22%2,807,665
Nov 13, 202518.1718.3716.3716.6816.65-9.79%3,203,218
Nov 12, 202520.5920.8918.4618.4918.45-10.33%3,686,516
Nov 11, 202521.7422.8220.4920.6220.58-6.78%2,464,591
Nov 10, 202523.6424.6021.9222.1222.07-5.83%2,784,253
Nov 7, 202524.1725.8123.2123.4923.44-5.85%4,109,324
Nov 6, 202530.0030.3224.2524.9524.90-34.86%5,599,494
Nov 5, 202539.7740.1537.8438.3038.22-4.15%1,728,889
Nov 4, 202540.4440.8139.3039.9639.88-1.99%702,485
Nov 3, 202540.7641.0539.3340.7740.69-1.16%825,027
Oct 31, 202539.9041.5339.0341.2541.162.59%831,770
Oct 30, 202542.5442.9339.7240.2140.13-6.47%1,120,425
Oct 29, 202543.6044.3142.4542.9942.90-1.10%709,528
Oct 28, 202544.2044.2043.2243.4743.38-1.52%634,126
Oct 27, 202543.1544.2542.6344.1444.052.75%827,525
Oct 24, 202543.2643.8442.8942.9642.870.56%745,254
Oct 23, 202543.2543.9942.6942.7242.63-0.90%1,155,986
Oct 22, 202543.8043.9442.8943.1143.02-2.36%881,785
Oct 21, 202544.4345.1343.7244.1544.06-0.45%1,408,640
Oct 20, 202544.2744.9743.3544.3544.262.07%1,025,268
Oct 17, 202544.3444.8542.9143.4543.36-3.12%1,541,058
Oct 16, 202545.2245.6944.4944.8544.76-0.55%1,111,016
Oct 15, 202544.3945.1543.4045.1045.012.48%706,176
Oct 14, 202543.2544.4342.5444.0143.920.94%885,905
Oct 13, 202542.8143.6542.1643.6043.513.69%731,391