Cogent Communications Holdings, Inc. (CCOI)
NASDAQ: CCOI · Real-Time Price · USD
23.63
+0.38 (1.63%)
At close: Apr 17, 2026, 4:00 PM EDT
23.59
-0.04 (-0.17%)
After-hours: Apr 17, 2026, 7:26 PM EDT
CCOI Stock Price History
Historical Data
| Date | Open | High | Low | Close | Adj. Close | Change | Volume |
|---|---|---|---|---|---|---|---|
| Apr 17, 2026 | 23.56 | 23.85 | 23.06 | 23.63 | 23.63 | 1.63% | 800,855 |
| Apr 16, 2026 | 23.53 | 24.00 | 22.39 | 23.25 | 23.25 | -1.19% | 909,985 |
| Apr 15, 2026 | 22.78 | 24.31 | 22.48 | 23.53 | 23.53 | 4.39% | 922,122 |
| Apr 14, 2026 | 21.63 | 23.06 | 20.95 | 22.54 | 22.54 | 5.43% | 1,073,380 |
| Apr 13, 2026 | 20.27 | 21.96 | 19.79 | 21.38 | 21.38 | 5.27% | 1,035,990 |
| Apr 10, 2026 | 20.73 | 21.15 | 20.19 | 20.31 | 20.31 | -0.64% | 632,810 |
| Apr 9, 2026 | 19.64 | 20.51 | 19.49 | 20.44 | 20.44 | 3.65% | 851,547 |
| Apr 8, 2026 | 21.05 | 21.35 | 19.50 | 19.72 | 19.72 | -2.18% | 937,683 |
| Apr 7, 2026 | 19.20 | 20.42 | 18.82 | 20.16 | 20.16 | 4.89% | 956,189 |
| Apr 6, 2026 | 19.02 | 19.47 | 18.86 | 19.22 | 19.22 | 1.16% | 716,007 |
| Apr 2, 2026 | 18.04 | 19.03 | 17.79 | 19.00 | 19.00 | 3.77% | 775,106 |
| Apr 1, 2026 | 19.05 | 19.28 | 18.19 | 18.31 | 18.31 | -2.81% | 781,498 |
| Mar 31, 2026 | 17.79 | 18.90 | 17.35 | 18.84 | 18.84 | 7.90% | 1,656,159 |
| Mar 30, 2026 | 17.74 | 18.13 | 17.27 | 17.46 | 17.46 | -0.91% | 804,097 |
| Mar 27, 2026 | 17.72 | 17.91 | 17.22 | 17.62 | 17.62 | -1.67% | 905,134 |
| Mar 26, 2026 | 18.07 | 18.59 | 17.58 | 17.92 | 17.92 | -2.29% | 922,519 |
| Mar 25, 2026 | 18.45 | 18.78 | 18.10 | 18.34 | 18.34 | 0.38% | 764,292 |
| Mar 24, 2026 | 18.63 | 19.27 | 18.04 | 18.27 | 18.27 | -3.08% | 735,501 |
| Mar 23, 2026 | 18.43 | 19.44 | 18.10 | 18.85 | 18.85 | 4.43% | 1,489,962 |
| Mar 20, 2026 | 20.03 | 20.03 | 18.02 | 18.05 | 18.05 | -9.84% | 4,006,717 |
| Mar 19, 2026 | 19.00 | 20.06 | 18.70 | 20.02 | 20.02 | 3.57% | 851,053 |
| Mar 18, 2026 | 20.22 | 20.24 | 19.28 | 19.33 | 19.33 | -4.92% | 807,923 |
| Mar 17, 2026 | 19.54 | 21.23 | 19.34 | 20.33 | 20.33 | 5.17% | 949,210 |
| Mar 16, 2026 | 18.82 | 19.78 | 18.51 | 19.33 | 19.33 | 2.82% | 872,061 |
| Mar 13, 2026 | 19.78 | 20.25 | 18.62 | 18.80 | 18.80 | -4.23% | 1,046,831 |
| Mar 12, 2026 | 20.97 | 21.18 | 19.50 | 19.63 | 19.63 | -8.01% | 1,010,521 |
| Mar 11, 2026 | 22.24 | 22.50 | 21.12 | 21.34 | 21.34 | -3.04% | 735,991 |
| Mar 10, 2026 | 21.85 | 22.24 | 21.33 | 22.01 | 22.01 | -2.18% | 1,106,266 |
| Mar 9, 2026 | 22.77 | 22.98 | 21.58 | 22.50 | 22.50 | -2.47% | 1,002,229 |
| Mar 6, 2026 | 22.43 | 23.50 | 21.91 | 23.07 | 23.07 | 1.32% | 932,408 |
| Mar 5, 2026 | 22.63 | 23.50 | 22.18 | 22.77 | 22.75 | -1.39% | 1,424,640 |
| Mar 4, 2026 | 22.00 | 23.34 | 21.45 | 23.09 | 23.07 | 6.75% | 1,286,485 |
| Mar 3, 2026 | 21.68 | 21.99 | 20.50 | 21.63 | 21.61 | -2.52% | 1,189,960 |
| Mar 2, 2026 | 18.24 | 22.38 | 18.16 | 22.19 | 22.17 | 18.28% | 2,104,036 |
| Feb 27, 2026 | 18.60 | 18.78 | 17.99 | 18.76 | 18.74 | 1.13% | 904,006 |
| Feb 26, 2026 | 18.67 | 19.19 | 18.26 | 18.55 | 18.53 | 0.32% | 958,175 |
| Feb 25, 2026 | 18.85 | 18.98 | 18.03 | 18.49 | 18.47 | -2.38% | 994,844 |
| Feb 24, 2026 | 18.24 | 18.96 | 17.68 | 18.94 | 18.92 | 5.99% | 1,605,656 |
| Feb 23, 2026 | 18.18 | 18.81 | 16.41 | 17.87 | 17.85 | -3.85% | 3,466,372 |
| Feb 20, 2026 | 22.30 | 22.39 | 17.42 | 18.59 | 18.57 | -29.36% | 7,029,855 |
| Feb 19, 2026 | 27.75 | 27.88 | 25.51 | 26.31 | 26.29 | -4.88% | 2,298,091 |
| Feb 18, 2026 | 26.33 | 28.71 | 25.78 | 27.66 | 27.64 | 3.25% | 1,570,787 |
| Feb 17, 2026 | 26.61 | 27.18 | 26.31 | 26.79 | 26.77 | 1.25% | 1,268,726 |
| Feb 13, 2026 | 26.35 | 26.78 | 25.63 | 26.46 | 26.44 | 0.61% | 568,075 |
| Feb 12, 2026 | 26.84 | 27.34 | 25.59 | 26.30 | 26.28 | -0.79% | 906,579 |
| Feb 11, 2026 | 26.55 | 26.56 | 25.60 | 26.51 | 26.49 | 0.57% | 798,542 |
| Feb 10, 2026 | 25.29 | 26.59 | 24.80 | 26.36 | 26.34 | 5.15% | 1,240,227 |
| Feb 9, 2026 | 24.30 | 25.66 | 23.62 | 25.07 | 25.05 | 3.21% | 882,067 |
| Feb 6, 2026 | 22.92 | 24.50 | 22.68 | 24.29 | 24.27 | 7.72% | 1,088,624 |
| Feb 5, 2026 | 24.25 | 24.28 | 22.31 | 22.55 | 22.53 | -6.47% | 1,248,761 |