Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
9.37
-0.27 (-2.80%)
Sep 9, 2026, 3:40 PM EDT - Market open

CCOI Stock Price History

Historical Data

DateOpenHighLowCloseAdj. CloseChangeVolume
Sep 9, 20269.669.709.009.36--2.90%1,156,435
Sep 8, 20269.9810.169.469.649.64-4.08%2,638,443
Sep 4, 202610.0210.399.8510.0510.050.70%1,322,089
Sep 3, 202610.2210.229.359.989.98-2.35%1,851,915
Sep 2, 20269.0010.428.9410.2210.2213.43%2,646,194
Sep 1, 20269.429.548.889.019.01-5.56%1,612,568
Aug 31, 20269.429.699.199.549.540.63%1,618,807
Aug 28, 20269.7010.009.409.489.48-1.96%1,055,857
Aug 27, 20269.8310.109.279.679.67-3.78%1,233,008
Aug 26, 20269.8910.239.7210.0510.051.72%954,574
Aug 25, 20269.4910.019.489.889.884.11%1,423,218
Aug 24, 20269.059.859.059.499.493.49%2,501,511
Aug 21, 202610.0910.169.169.179.17-8.21%1,859,470
Aug 20, 202610.2510.329.5710.019.99-3.42%1,620,809
Aug 19, 20269.5910.379.0310.3710.342.32%2,375,578
Aug 18, 202610.7610.769.7510.1310.11-5.77%1,763,969
Aug 17, 202611.0811.1510.6410.7510.73-4.95%1,286,492
Aug 14, 202610.1711.4710.0511.3111.299.28%2,261,923
Aug 13, 202610.0010.499.5510.3510.330.98%2,205,468
Aug 12, 202611.0411.2210.2410.2510.23-5.27%1,509,950
Aug 11, 202610.2710.859.9810.8210.805.05%1,730,136
Aug 10, 202610.0010.719.4210.3010.283.83%2,527,600
Aug 7, 202610.9711.149.009.929.90-9.07%4,212,948
Aug 6, 202613.3713.4910.1010.9110.89-15.23%3,293,712
Aug 5, 202613.0313.1512.3612.8712.84-3.23%1,462,492
Aug 4, 202613.2213.5012.9313.3013.270.53%1,083,970
Aug 3, 202613.6513.7713.2213.2313.20-2.00%1,415,457
Jul 31, 202613.2213.5312.7813.5013.471.96%962,601
Jul 30, 202612.5613.3112.4313.2413.214.33%1,014,028
Jul 29, 202612.7712.8711.8212.6912.66-2.01%1,407,674
Jul 28, 202612.2412.9812.1512.9512.925.97%998,452
Jul 27, 202611.9712.3811.8512.2212.202.95%999,740
Jul 24, 202612.8012.9511.8311.8711.85-7.98%951,028
Jul 23, 202612.6113.0612.3812.9012.87-0.23%981,525
Jul 22, 202613.0713.2812.7612.9312.901.81%835,545
Jul 21, 202612.5713.1112.4612.7012.672.42%1,099,694
Jul 20, 202611.0312.5310.9612.4012.3813.04%1,525,925
Jul 17, 202611.4211.5710.9310.9710.95-6.32%1,549,146
Jul 16, 202612.5012.9411.6611.7111.69-6.47%926,949
Jul 15, 202612.3413.1312.2512.5212.492.20%796,567
Jul 14, 202612.9913.2811.9012.2512.23-5.26%1,133,196
Jul 13, 202612.7513.4512.7512.9312.902.54%1,173,167
Jul 10, 202612.7913.0612.5512.6112.58-0.24%795,177
Jul 9, 202612.3412.6712.1512.6412.612.27%931,344
Jul 8, 202611.4812.6911.4312.3612.346.05%1,275,991
Jul 7, 202612.1512.4511.6511.6611.63-4.35%1,342,981
Jul 6, 202613.2013.4812.1212.1912.16-6.20%1,424,850
Jul 2, 202614.4914.6812.5212.9912.96-9.03%2,189,001
Jul 1, 202613.9314.6013.9114.2814.252.88%1,446,003
Jun 30, 202614.0114.4613.2313.8813.855.63%2,193,683