Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
42.58
+0.07 (0.16%)
At close: Oct 8, 2025, 4:00 PM EDT
42.58
0.00 (0.00%)
After-hours: Oct 8, 2025, 4:20 PM EDT
CCOI Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 8, 2025 | 42.77 | 43.95 | 42.54 | 43.50 | - | 2.33% | 431,858 |
| Oct 7, 2025 | 42.87 | 43.25 | 41.80 | 42.51 | 42.51 | -0.68% | 1,146,182 |
| Oct 6, 2025 | 41.86 | 43.00 | 41.76 | 42.80 | 42.80 | 2.71% | 1,375,304 |
| Oct 3, 2025 | 40.36 | 41.77 | 40.13 | 41.67 | 41.67 | 3.17% | 1,251,052 |
| Oct 2, 2025 | 39.44 | 41.75 | 39.12 | 40.39 | 40.39 | 3.30% | 1,378,548 |
| Oct 1, 2025 | 38.22 | 39.48 | 37.59 | 39.10 | 39.10 | 1.96% | 1,275,715 |
| Sep 30, 2025 | 38.00 | 38.39 | 37.56 | 38.35 | 38.35 | 0.39% | 892,468 |
| Sep 29, 2025 | 39.81 | 39.81 | 38.09 | 38.20 | 38.20 | -3.34% | 1,146,271 |
| Sep 26, 2025 | 39.86 | 40.14 | 39.03 | 39.52 | 39.52 | -0.85% | 906,542 |
| Sep 25, 2025 | 40.13 | 40.78 | 39.56 | 39.86 | 39.86 | -1.99% | 1,015,550 |
| Sep 24, 2025 | 40.33 | 41.05 | 39.88 | 40.67 | 40.67 | 0.57% | 924,399 |
| Sep 23, 2025 | 40.20 | 41.41 | 39.59 | 40.44 | 40.44 | 0.75% | 1,860,636 |
| Sep 22, 2025 | 36.57 | 40.22 | 36.33 | 40.14 | 40.14 | 9.61% | 2,175,078 |
| Sep 19, 2025 | 38.00 | 38.50 | 36.59 | 36.62 | 36.62 | -3.43% | 3,175,099 |
| Sep 18, 2025 | 37.97 | 38.17 | 37.32 | 37.92 | 37.92 | 0.72% | 1,697,885 |
| Sep 17, 2025 | 37.62 | 38.41 | 37.05 | 37.65 | 37.65 | -0.13% | 1,231,561 |
| Sep 16, 2025 | 37.39 | 38.20 | 36.62 | 37.70 | 37.70 | 0.96% | 1,875,270 |
| Sep 15, 2025 | 36.67 | 37.49 | 36.38 | 37.34 | 37.34 | 3.69% | 1,625,066 |
| Sep 12, 2025 | 35.85 | 36.72 | 35.05 | 36.01 | 36.01 | 0.14% | 2,055,210 |
| Sep 11, 2025 | 35.46 | 36.77 | 35.32 | 35.96 | 35.96 | 1.87% | 1,701,006 |
| Sep 10, 2025 | 36.13 | 36.98 | 34.39 | 35.30 | 35.30 | -2.75% | 1,834,388 |
| Sep 9, 2025 | 37.22 | 37.36 | 36.27 | 36.30 | 36.30 | -1.57% | 1,826,479 |
| Sep 8, 2025 | 36.70 | 37.54 | 35.34 | 36.88 | 36.88 | - | 2,070,129 |
| Sep 5, 2025 | 36.94 | 37.41 | 36.19 | 36.88 | 36.88 | 0.60% | 2,154,267 |
| Sep 4, 2025 | 36.15 | 37.24 | 36.05 | 36.66 | 36.66 | 1.47% | 1,372,384 |
| Sep 3, 2025 | 36.60 | 36.81 | 35.31 | 36.13 | 36.13 | -2.14% | 934,507 |
| Sep 2, 2025 | 37.63 | 38.16 | 36.43 | 36.92 | 36.92 | -3.43% | 930,516 |
| Aug 29, 2025 | 37.45 | 38.42 | 37.03 | 38.23 | 38.23 | 1.92% | 927,842 |
| Aug 28, 2025 | 37.73 | 38.48 | 37.35 | 37.51 | 37.51 | -0.74% | 1,210,908 |
| Aug 27, 2025 | 37.39 | 37.95 | 36.74 | 37.79 | 37.79 | 1.02% | 1,194,689 |
| Aug 26, 2025 | 38.45 | 38.45 | 36.99 | 37.41 | 37.41 | -2.32% | 1,249,595 |
| Aug 25, 2025 | 38.14 | 38.52 | 37.65 | 38.30 | 38.30 | -0.21% | 1,091,224 |
| Aug 22, 2025 | 37.50 | 39.18 | 37.19 | 38.38 | 38.38 | 2.29% | 1,358,864 |
| Aug 21, 2025 | 36.37 | 37.98 | 36.07 | 37.52 | 37.52 | 0.05% | 2,213,435 |
| Aug 20, 2025 | 37.69 | 37.89 | 36.37 | 37.50 | 36.51 | -0.66% | 1,477,506 |
| Aug 19, 2025 | 36.96 | 37.77 | 36.58 | 37.75 | 36.76 | 2.30% | 2,288,633 |
| Aug 18, 2025 | 36.26 | 38.43 | 36.26 | 36.90 | 35.93 | 7.74% | 2,936,944 |
| Aug 15, 2025 | 34.49 | 35.41 | 34.10 | 34.25 | 33.35 | 0.32% | 1,246,292 |
| Aug 14, 2025 | 33.97 | 34.33 | 32.23 | 34.14 | 33.24 | -1.98% | 1,692,645 |
| Aug 13, 2025 | 33.89 | 36.00 | 33.66 | 34.83 | 33.91 | 2.26% | 1,970,089 |
| Aug 12, 2025 | 31.18 | 34.23 | 30.10 | 34.06 | 33.16 | 5.25% | 3,149,836 |
| Aug 11, 2025 | 30.78 | 34.12 | 30.66 | 32.36 | 31.51 | 5.68% | 4,896,358 |
| Aug 8, 2025 | 34.20 | 34.47 | 29.62 | 30.62 | 29.81 | -13.36% | 5,257,347 |
| Aug 7, 2025 | 40.34 | 41.04 | 33.79 | 35.34 | 34.41 | -19.46% | 4,730,389 |
| Aug 6, 2025 | 45.57 | 45.75 | 43.76 | 43.88 | 42.72 | -3.98% | 1,234,388 |
| Aug 5, 2025 | 45.50 | 45.82 | 44.81 | 45.70 | 44.50 | 0.93% | 583,830 |
| Aug 4, 2025 | 45.25 | 45.50 | 44.89 | 45.28 | 44.09 | 0.31% | 521,740 |
| Aug 1, 2025 | 45.31 | 45.56 | 44.25 | 45.14 | 43.95 | -0.99% | 740,265 |
| Jul 31, 2025 | 46.60 | 46.67 | 45.48 | 45.59 | 44.39 | -2.94% | 900,490 |
| Jul 30, 2025 | 47.01 | 47.33 | 46.00 | 46.97 | 45.73 | 0.26% | 722,172 |