Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
19.62
+0.87 (4.64%)
At close: Dec 5, 2025, 4:00 PM EST
19.84
+0.22 (1.12%)
After-hours: Dec 5, 2025, 6:35 PM EST
CCOI Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Dec 5, 2025 | 18.64 | 19.79 | 18.57 | 19.62 | 19.62 | 4.64% | 1,725,197 |
| Dec 4, 2025 | 19.50 | 19.66 | 18.74 | 18.75 | 18.75 | -4.29% | 1,035,555 |
| Dec 3, 2025 | 19.84 | 20.13 | 19.25 | 19.59 | 19.59 | -2.00% | 840,876 |
| Dec 2, 2025 | 19.59 | 20.58 | 19.39 | 19.99 | 19.99 | 2.67% | 1,224,278 |
| Dec 1, 2025 | 18.79 | 19.82 | 18.71 | 19.47 | 19.47 | 2.04% | 1,345,642 |
| Nov 28, 2025 | 19.01 | 19.50 | 18.80 | 19.08 | 19.08 | 0.42% | 900,649 |
| Nov 26, 2025 | 17.93 | 19.50 | 17.84 | 19.00 | 19.00 | 6.20% | 1,970,584 |
| Nov 25, 2025 | 17.08 | 18.00 | 16.78 | 17.89 | 17.89 | 4.25% | 1,617,530 |
| Nov 24, 2025 | 17.42 | 17.42 | 16.70 | 17.16 | 17.16 | 0.65% | 1,626,349 |
| Nov 21, 2025 | 16.68 | 17.21 | 16.25 | 17.05 | 17.05 | 2.22% | 2,745,675 |
| Nov 20, 2025 | 17.45 | 17.72 | 16.66 | 16.68 | 16.66 | -1.77% | 2,537,062 |
| Nov 19, 2025 | 19.65 | 19.78 | 16.87 | 16.98 | 16.96 | -14.29% | 1,719,618 |
| Nov 18, 2025 | 18.96 | 20.28 | 18.72 | 19.81 | 19.79 | 7.08% | 2,524,112 |
| Nov 17, 2025 | 17.49 | 18.98 | 17.32 | 18.50 | 18.48 | 5.41% | 2,382,274 |
| Nov 14, 2025 | 16.14 | 18.12 | 15.96 | 17.55 | 17.53 | 5.22% | 2,807,665 |
| Nov 13, 2025 | 18.17 | 18.37 | 16.37 | 16.68 | 16.66 | -9.79% | 3,203,218 |
| Nov 12, 2025 | 20.59 | 20.89 | 18.46 | 18.49 | 18.47 | -10.33% | 3,686,516 |
| Nov 11, 2025 | 21.74 | 22.82 | 20.49 | 20.62 | 20.60 | -6.78% | 2,464,591 |
| Nov 10, 2025 | 23.64 | 24.60 | 21.92 | 22.12 | 22.09 | -5.83% | 2,784,253 |
| Nov 7, 2025 | 24.17 | 25.81 | 23.21 | 23.49 | 23.46 | -5.85% | 4,109,324 |
| Nov 6, 2025 | 30.00 | 30.32 | 24.25 | 24.95 | 24.92 | -34.86% | 5,599,494 |
| Nov 5, 2025 | 39.77 | 40.15 | 37.84 | 38.30 | 38.25 | -4.15% | 1,728,889 |
| Nov 4, 2025 | 40.44 | 40.81 | 39.30 | 39.96 | 39.91 | -1.99% | 702,485 |
| Nov 3, 2025 | 40.76 | 41.05 | 39.33 | 40.77 | 40.72 | -1.16% | 825,027 |
| Oct 31, 2025 | 39.90 | 41.53 | 39.03 | 41.25 | 41.20 | 2.59% | 831,770 |
| Oct 30, 2025 | 42.54 | 42.93 | 39.72 | 40.21 | 40.16 | -6.47% | 1,120,425 |
| Oct 29, 2025 | 43.60 | 44.31 | 42.45 | 42.99 | 42.94 | -1.10% | 709,528 |
| Oct 28, 2025 | 44.20 | 44.20 | 43.22 | 43.47 | 43.42 | -1.52% | 634,126 |
| Oct 27, 2025 | 43.15 | 44.25 | 42.63 | 44.14 | 44.09 | 2.75% | 827,525 |
| Oct 24, 2025 | 43.26 | 43.84 | 42.89 | 42.96 | 42.91 | 0.56% | 745,254 |
| Oct 23, 2025 | 43.25 | 43.99 | 42.69 | 42.72 | 42.67 | -0.90% | 1,155,986 |
| Oct 22, 2025 | 43.80 | 43.94 | 42.89 | 43.11 | 43.06 | -2.36% | 881,785 |
| Oct 21, 2025 | 44.43 | 45.13 | 43.72 | 44.15 | 44.10 | -0.45% | 1,408,640 |
| Oct 20, 2025 | 44.27 | 44.97 | 43.35 | 44.35 | 44.30 | 2.07% | 1,025,268 |
| Oct 17, 2025 | 44.34 | 44.85 | 42.91 | 43.45 | 43.40 | -3.12% | 1,541,058 |
| Oct 16, 2025 | 45.22 | 45.69 | 44.49 | 44.85 | 44.80 | -0.55% | 1,111,016 |
| Oct 15, 2025 | 44.39 | 45.15 | 43.40 | 45.10 | 45.05 | 2.48% | 706,176 |
| Oct 14, 2025 | 43.25 | 44.43 | 42.54 | 44.01 | 43.96 | 0.94% | 885,905 |
| Oct 13, 2025 | 42.81 | 43.65 | 42.16 | 43.60 | 43.55 | 3.69% | 731,391 |
| Oct 10, 2025 | 44.08 | 44.17 | 41.59 | 42.05 | 42.00 | -3.69% | 782,126 |
| Oct 9, 2025 | 42.44 | 43.81 | 42.34 | 43.66 | 43.61 | 2.54% | 852,501 |
| Oct 8, 2025 | 42.77 | 43.95 | 42.54 | 42.58 | 42.53 | 0.16% | 1,136,867 |
| Oct 7, 2025 | 42.87 | 43.25 | 41.80 | 42.51 | 42.46 | -0.68% | 1,146,182 |
| Oct 6, 2025 | 41.86 | 43.00 | 41.76 | 42.80 | 42.75 | 2.71% | 1,375,304 |
| Oct 3, 2025 | 40.36 | 41.77 | 40.13 | 41.67 | 41.62 | 3.17% | 1,251,052 |
| Oct 2, 2025 | 39.44 | 41.75 | 39.12 | 40.39 | 40.34 | 3.30% | 1,378,548 |
| Oct 1, 2025 | 38.22 | 39.48 | 37.59 | 39.10 | 39.05 | 1.96% | 1,275,715 |
| Sep 30, 2025 | 38.00 | 38.39 | 37.56 | 38.35 | 38.30 | 0.39% | 892,468 |
| Sep 29, 2025 | 39.81 | 39.81 | 38.09 | 38.20 | 38.15 | -3.34% | 1,146,271 |
| Sep 26, 2025 | 39.86 | 40.14 | 39.03 | 39.52 | 39.47 | -0.85% | 906,542 |