Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
7.34
-0.09 (-1.21%)
At close: Sep 29, 2026, 4:00 PM EDT
7.34
0.00 (0.00%)
After-hours: Sep 29, 2026, 4:15 PM EDT
CCOI Stock Price History
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Sep 29, 2026 | 7.46 | 7.60 | 7.25 | 7.34 | 7.34 | -1.21% | 1,396,429 |
| Sep 28, 2026 | 7.59 | 7.69 | 7.28 | 7.43 | 7.43 | -3.38% | 1,698,136 |
| Sep 25, 2026 | 7.64 | 8.04 | 7.44 | 7.69 | 7.69 | 0.65% | 1,742,958 |
| Sep 24, 2026 | 8.11 | 8.23 | 7.61 | 7.64 | 7.64 | -6.03% | 2,555,447 |
| Sep 23, 2026 | 9.27 | 9.27 | 8.10 | 8.13 | 8.13 | -12.67% | 2,075,886 |
| Sep 22, 2026 | 9.34 | 9.62 | 9.15 | 9.31 | 9.31 | 0.22% | 1,476,011 |
| Sep 21, 2026 | 9.15 | 9.43 | 8.60 | 9.29 | 9.29 | 3.11% | 1,696,702 |
| Sep 18, 2026 | 9.19 | 9.19 | 8.67 | 9.01 | 9.01 | -2.17% | 8,948,188 |
| Sep 17, 2026 | 8.77 | 9.24 | 8.56 | 9.21 | 9.21 | 6.23% | 2,169,618 |
| Sep 16, 2026 | 9.22 | 9.51 | 8.59 | 8.67 | 8.67 | -6.22% | 2,221,513 |
| Sep 15, 2026 | 9.12 | 9.30 | 8.90 | 9.25 | 9.25 | -0.80% | 1,641,776 |
| Sep 14, 2026 | 9.12 | 9.42 | 8.93 | 9.32 | 9.32 | -0.11% | 1,460,582 |
| Sep 11, 2026 | 9.23 | 9.79 | 9.04 | 9.33 | 9.33 | 2.64% | 1,924,660 |
| Sep 10, 2026 | 9.20 | 9.37 | 8.60 | 9.09 | 9.09 | -2.57% | 2,168,270 |
| Sep 9, 2026 | 9.66 | 9.70 | 9.00 | 9.33 | 9.33 | -3.22% | 2,251,717 |
| 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 |