Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
7.76
-0.31 (-3.84%)
At close: Oct 19, 2026, 4:00 PM EDT
7.74
-0.02 (-0.26%)
After-hours: Oct 19, 2026, 7:30 PM EDT
CCOI Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Oct 19, 2026 | 8.06 | 8.17 | 7.55 | 7.76 | 7.76 | -3.84% | 1,279,078 |
| Oct 16, 2026 | 8.14 | 8.14 | 7.06 | 8.07 | 8.07 | -3.35% | 4,590,978 |
| Oct 15, 2026 | 7.61 | 8.38 | 7.56 | 8.35 | 8.35 | 8.16% | 1,285,560 |
| Oct 14, 2026 | 8.39 | 8.39 | 7.66 | 7.72 | 7.72 | -9.92% | 1,986,560 |
| Oct 13, 2026 | 8.33 | 8.84 | 8.29 | 8.57 | 8.57 | 2.02% | 1,226,091 |
| Oct 12, 2026 | 8.44 | 8.68 | 8.30 | 8.40 | 8.40 | -1.64% | 1,153,463 |
| Oct 9, 2026 | 9.53 | 9.69 | 8.33 | 8.54 | 8.54 | -10.67% | 1,369,499 |
| Oct 8, 2026 | 9.81 | 9.82 | 9.12 | 9.56 | 9.56 | -3.82% | 2,087,421 |
| Oct 7, 2026 | 9.25 | 10.31 | 9.09 | 9.94 | 9.94 | 6.77% | 1,623,706 |
| Oct 6, 2026 | 8.95 | 9.44 | 8.85 | 9.31 | 9.31 | 4.84% | 1,922,327 |
| Oct 5, 2026 | 8.44 | 8.92 | 7.99 | 8.88 | 8.88 | 4.96% | 2,433,632 |
| Oct 2, 2026 | 8.37 | 8.59 | 8.12 | 8.46 | 8.46 | 2.79% | 2,479,559 |
| Oct 1, 2026 | 7.83 | 8.51 | 7.42 | 8.23 | 8.23 | 5.65% | 3,038,782 |
| Sep 30, 2026 | 7.40 | 7.95 | 7.13 | 7.79 | 7.79 | 6.13% | 2,181,961 |
| Sep 29, 2026 | 7.46 | 7.60 | 7.25 | 7.34 | 7.34 | -1.21% | 1,396,431 |
| Sep 28, 2026 | 7.59 | 7.69 | 7.28 | 7.43 | 7.43 | -3.38% | 1,717,745 |
| Sep 25, 2026 | 7.64 | 8.04 | 7.44 | 7.69 | 7.69 | 0.65% | 1,752,922 |
| Sep 24, 2026 | 8.11 | 8.23 | 7.61 | 7.64 | 7.64 | -6.03% | 2,563,023 |
| Sep 23, 2026 | 9.27 | 9.27 | 8.10 | 8.13 | 8.13 | -12.67% | 2,082,446 |
| Sep 22, 2026 | 9.34 | 9.62 | 9.15 | 9.31 | 9.31 | 0.22% | 1,476,042 |
| Sep 21, 2026 | 9.15 | 9.43 | 8.60 | 9.29 | 9.29 | 3.11% | 1,696,808 |
| Sep 18, 2026 | 9.19 | 9.19 | 8.67 | 9.01 | 9.01 | -2.17% | 8,983,487 |
| Sep 17, 2026 | 8.77 | 9.24 | 8.56 | 9.21 | 9.21 | 6.23% | 2,170,627 |
| Sep 16, 2026 | 9.22 | 9.51 | 8.59 | 8.67 | 8.67 | -6.22% | 2,223,680 |
| Sep 15, 2026 | 9.12 | 9.30 | 8.90 | 9.25 | 9.25 | -0.80% | 1,641,924 |
| Sep 14, 2026 | 9.12 | 9.42 | 8.93 | 9.32 | 9.32 | -0.11% | 1,460,596 |
| Sep 11, 2026 | 9.23 | 9.79 | 9.04 | 9.33 | 9.33 | 2.64% | 1,924,662 |
| Sep 10, 2026 | 9.20 | 9.37 | 8.60 | 9.09 | 9.09 | -2.57% | 2,168,721 |
| Sep 9, 2026 | 9.66 | 9.70 | 9.00 | 9.33 | 9.33 | -3.22% | 2,255,069 |
| Sep 8, 2026 | 9.98 | 10.16 | 9.46 | 9.64 | 9.64 | -4.08% | 2,638,447 |
| Sep 4, 2026 | 10.02 | 10.39 | 9.85 | 10.05 | 10.05 | 0.70% | 1,322,089 |
| Sep 3, 2026 | 10.22 | 10.22 | 9.35 | 9.98 | 9.98 | -2.35% | 1,851,915 |
| Sep 2, 2026 | 9.00 | 10.42 | 8.94 | 10.22 | 10.22 | 13.43% | 2,646,194 |
| Sep 1, 2026 | 9.42 | 9.54 | 8.88 | 9.01 | 9.01 | -5.56% | 1,612,568 |
| Aug 31, 2026 | 9.42 | 9.69 | 9.19 | 9.54 | 9.54 | 0.63% | 1,618,807 |
| Aug 28, 2026 | 9.70 | 10.00 | 9.40 | 9.48 | 9.48 | -1.96% | 1,055,857 |
| Aug 27, 2026 | 9.83 | 10.10 | 9.27 | 9.67 | 9.67 | -3.78% | 1,233,008 |
| Aug 26, 2026 | 9.89 | 10.23 | 9.72 | 10.05 | 10.05 | 1.72% | 954,574 |
| Aug 25, 2026 | 9.49 | 10.01 | 9.48 | 9.88 | 9.88 | 4.11% | 1,423,218 |
| Aug 24, 2026 | 9.05 | 9.85 | 9.05 | 9.49 | 9.49 | 3.49% | 2,501,511 |
| Aug 21, 2026 | 10.09 | 10.16 | 9.16 | 9.17 | 9.17 | -8.21% | 1,859,470 |
| Aug 20, 2026 | 10.25 | 10.32 | 9.57 | 10.01 | 9.99 | -3.42% | 1,620,809 |
| Aug 19, 2026 | 9.59 | 10.37 | 9.03 | 10.37 | 10.34 | 2.32% | 2,375,578 |
| Aug 18, 2026 | 10.76 | 10.76 | 9.75 | 10.13 | 10.11 | -5.77% | 1,763,969 |
| Aug 17, 2026 | 11.08 | 11.15 | 10.64 | 10.75 | 10.73 | -4.95% | 1,286,492 |
| Aug 14, 2026 | 10.17 | 11.47 | 10.05 | 11.31 | 11.29 | 9.28% | 2,261,923 |
| Aug 13, 2026 | 10.00 | 10.49 | 9.55 | 10.35 | 10.33 | 0.98% | 2,205,468 |
| Aug 12, 2026 | 11.04 | 11.22 | 10.24 | 10.25 | 10.23 | -5.27% | 1,509,950 |
| Aug 11, 2026 | 10.27 | 10.85 | 9.98 | 10.82 | 10.80 | 5.05% | 1,730,136 |
| Aug 10, 2026 | 10.00 | 10.71 | 9.42 | 10.30 | 10.28 | 3.83% | 2,527,600 |