Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
44.21
+0.74 (1.70%)
Oct 29, 2025, 12:44 PM EDT - Market open

CCOI Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Oct 29, 202543.6044.0642.8644.17-1.61%234,158
Oct 28, 202544.2044.2043.2243.4743.47-1.52%634,126
Oct 27, 202543.1544.2542.6344.1444.142.75%827,525
Oct 24, 202543.2643.8442.8942.9642.960.56%745,254
Oct 23, 202543.2543.9942.6942.7242.72-0.90%1,155,986
Oct 22, 202543.8043.9442.8943.1143.11-2.36%881,785
Oct 21, 202544.4345.1343.7244.1544.15-0.45%1,408,640
Oct 20, 202544.2744.9743.3544.3544.352.07%1,025,268
Oct 17, 202544.3444.8542.9143.4543.45-3.12%1,541,058
Oct 16, 202545.2245.6944.4944.8544.85-0.55%1,111,016
Oct 15, 202544.3945.1543.4045.1045.102.48%706,176
Oct 14, 202543.2544.4342.5444.0144.010.94%885,905
Oct 13, 202542.8143.6542.1643.6043.603.69%731,391
Oct 10, 202544.0844.1741.5942.0542.05-3.69%782,126
Oct 9, 202542.4443.8142.3443.6643.662.54%852,501
Oct 8, 202542.7743.9542.5442.5842.580.16%1,136,867
Oct 7, 202542.8743.2541.8042.5142.51-0.68%1,146,182
Oct 6, 202541.8643.0041.7642.8042.802.71%1,375,304
Oct 3, 202540.3641.7740.1341.6741.673.17%1,251,052
Oct 2, 202539.4441.7539.1240.3940.393.30%1,378,548
Oct 1, 202538.2239.4837.5939.1039.101.96%1,275,715
Sep 30, 202538.0038.3937.5638.3538.350.39%892,468
Sep 29, 202539.8139.8138.0938.2038.20-3.34%1,146,271
Sep 26, 202539.8640.1439.0339.5239.52-0.85%906,542
Sep 25, 202540.1340.7839.5639.8639.86-1.99%1,015,550
Sep 24, 202540.3341.0539.8840.6740.670.57%924,399
Sep 23, 202540.2041.4139.5940.4440.440.75%1,860,636
Sep 22, 202536.5740.2236.3340.1440.149.61%2,175,078
Sep 19, 202538.0038.5036.5936.6236.62-3.43%3,175,099
Sep 18, 202537.9738.1737.3237.9237.920.72%1,697,885
Sep 17, 202537.6238.4137.0537.6537.65-0.13%1,231,561
Sep 16, 202537.3938.2036.6237.7037.700.96%1,875,270
Sep 15, 202536.6737.4936.3837.3437.343.69%1,625,066
Sep 12, 202535.8536.7235.0536.0136.010.14%2,055,210
Sep 11, 202535.4636.7735.3235.9635.961.87%1,701,006
Sep 10, 202536.1336.9834.3935.3035.30-2.75%1,834,388
Sep 9, 202537.2237.3636.2736.3036.30-1.57%1,826,479
Sep 8, 202536.7037.5435.3436.8836.88-2,070,129
Sep 5, 202536.9437.4136.1936.8836.880.60%2,154,267
Sep 4, 202536.1537.2436.0536.6636.661.47%1,372,384
Sep 3, 202536.6036.8135.3136.1336.13-2.14%934,507
Sep 2, 202537.6338.1636.4336.9236.92-3.43%930,516
Aug 29, 202537.4538.4237.0338.2338.231.92%927,842
Aug 28, 202537.7338.4837.3537.5137.51-0.74%1,210,908
Aug 27, 202537.3937.9536.7437.7937.791.02%1,194,689
Aug 26, 202538.4538.4536.9937.4137.41-2.32%1,249,595
Aug 25, 202538.1438.5237.6538.3038.30-0.21%1,091,224
Aug 22, 202537.5039.1837.1938.3838.382.29%1,358,864
Aug 21, 202536.3737.9836.0737.5237.520.05%2,213,435
Aug 20, 202537.6937.8936.3737.5036.51-0.66%1,477,506