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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