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
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 9, 2026 | 9.66 | 9.70 | 9.00 | 9.36 | - | -2.90% | 1,156,435 |
| Sep 8, 2026 | 9.98 | 10.16 | 9.46 | 9.64 | 9.64 | -4.08% | 2,638,443 |
| 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 |
| Aug 7, 2026 | 10.97 | 11.14 | 9.00 | 9.92 | 9.90 | -9.07% | 4,212,948 |
| Aug 6, 2026 | 13.37 | 13.49 | 10.10 | 10.91 | 10.89 | -15.23% | 3,293,712 |
| Aug 5, 2026 | 13.03 | 13.15 | 12.36 | 12.87 | 12.84 | -3.23% | 1,462,492 |
| Aug 4, 2026 | 13.22 | 13.50 | 12.93 | 13.30 | 13.27 | 0.53% | 1,083,970 |
| Aug 3, 2026 | 13.65 | 13.77 | 13.22 | 13.23 | 13.20 | -2.00% | 1,415,457 |
| Jul 31, 2026 | 13.22 | 13.53 | 12.78 | 13.50 | 13.47 | 1.96% | 962,601 |
| Jul 30, 2026 | 12.56 | 13.31 | 12.43 | 13.24 | 13.21 | 4.33% | 1,014,028 |
| Jul 29, 2026 | 12.77 | 12.87 | 11.82 | 12.69 | 12.66 | -2.01% | 1,407,674 |
| Jul 28, 2026 | 12.24 | 12.98 | 12.15 | 12.95 | 12.92 | 5.97% | 998,452 |
| Jul 27, 2026 | 11.97 | 12.38 | 11.85 | 12.22 | 12.20 | 2.95% | 999,740 |
| Jul 24, 2026 | 12.80 | 12.95 | 11.83 | 11.87 | 11.85 | -7.98% | 951,028 |
| Jul 23, 2026 | 12.61 | 13.06 | 12.38 | 12.90 | 12.87 | -0.23% | 981,525 |
| Jul 22, 2026 | 13.07 | 13.28 | 12.76 | 12.93 | 12.90 | 1.81% | 835,545 |
| Jul 21, 2026 | 12.57 | 13.11 | 12.46 | 12.70 | 12.67 | 2.42% | 1,099,694 |
| Jul 20, 2026 | 11.03 | 12.53 | 10.96 | 12.40 | 12.38 | 13.04% | 1,525,925 |
| Jul 17, 2026 | 11.42 | 11.57 | 10.93 | 10.97 | 10.95 | -6.32% | 1,549,146 |
| Jul 16, 2026 | 12.50 | 12.94 | 11.66 | 11.71 | 11.69 | -6.47% | 926,949 |
| Jul 15, 2026 | 12.34 | 13.13 | 12.25 | 12.52 | 12.49 | 2.20% | 796,567 |
| Jul 14, 2026 | 12.99 | 13.28 | 11.90 | 12.25 | 12.23 | -5.26% | 1,133,196 |
| Jul 13, 2026 | 12.75 | 13.45 | 12.75 | 12.93 | 12.90 | 2.54% | 1,173,167 |
| Jul 10, 2026 | 12.79 | 13.06 | 12.55 | 12.61 | 12.58 | -0.24% | 795,177 |
| Jul 9, 2026 | 12.34 | 12.67 | 12.15 | 12.64 | 12.61 | 2.27% | 931,344 |
| Jul 8, 2026 | 11.48 | 12.69 | 11.43 | 12.36 | 12.34 | 6.05% | 1,275,991 |
| Jul 7, 2026 | 12.15 | 12.45 | 11.65 | 11.66 | 11.63 | -4.35% | 1,342,981 |
| Jul 6, 2026 | 13.20 | 13.48 | 12.12 | 12.19 | 12.16 | -6.20% | 1,424,850 |
| Jul 2, 2026 | 14.49 | 14.68 | 12.52 | 12.99 | 12.96 | -9.03% | 2,189,001 |
| Jul 1, 2026 | 13.93 | 14.60 | 13.91 | 14.28 | 14.25 | 2.88% | 1,446,003 |
| Jun 30, 2026 | 14.01 | 14.46 | 13.23 | 13.88 | 13.85 | 5.63% | 2,193,683 |