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Cogent Communications Holdings, Inc. logo

Cogent Communications Holdings, Inc. (CCOI) stock

CCOINasdaqCommunications Services, NECFiscal year ends December 31
Financials through Q2 FY2026, quarter ended Jun 30, 2026Last filing: 10-Q on Aug 6, 2026Score 10/30
$6.74−1.02 (-13.14%)

Close on Oct 30, 2026Market cap $345.19MP/E –Yield 45.25%

Price history

Cogent Communications share prices for every week, newest first. Adjusted for stock splits, not for dividends.

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Close, Oct 30, 2026
$6.74
-13.14% on the day
52-week range
$6.61 – $42.93
-84.3% from the high
Change over 52 weeks
-83.2%
From $40.21 on Oct 30, 2025
Average volume
1.80M
Shares a day, last 90 sessions
Week ofOpenHighLowCloseChangeVolume
Oct 26, 2026$7.55$7.90$6.61$6.74-9.89%8,379,671
Oct 19, 2026$8.06$8.17$7.04$7.48-7.31%6,168,699
Oct 12, 2026$8.44$8.84$7.06$8.07-5.50%10,313,228
Oct 5, 2026$8.44$10.31$7.99$8.54+0.95%9,712,556
Sep 28, 2026$7.59$8.59$7.13$8.46+10.01%10,814,478
Sep 21, 2026$9.15$9.62$7.44$7.69-14.65%9,571,241
Sep 14, 2026$9.12$9.51$8.56$9.01-3.43%16,480,314
Sep 8, 2026$9.98$10.16$8.60$9.33-7.16%8,986,899
Aug 31, 2026$9.42$10.42$8.88$10.05+6.01%9,051,573
Aug 24, 2026$9.05$10.23$9.05$9.48+3.38%7,168,168
Aug 17, 2026$11.08$11.15$9.03$9.17-18.92%8,906,318
Aug 10, 2026$10.00$11.47$9.42$11.31+14.01%10,235,077
Aug 3, 2026$13.65$13.77$9.00$9.92-26.52%11,468,579
Jul 27, 2026$11.97$13.53$11.82$13.50+13.73%5,382,495
Jul 20, 2026$11.03$13.28$10.96$11.87+8.20%5,393,717
Jul 13, 2026$12.75$13.45$10.93$10.97-13.01%5,579,025
Jul 6, 2026$13.20$13.48$11.43$12.61-2.93%5,770,343
Jun 29, 2026$13.69$14.68$12.33$12.99-3.13%7,807,562
Jun 22, 2026$14.04$15.88$12.84$13.41-5.50%8,935,105
Jun 15, 2026$16.04$17.65$14.13$14.19-10.53%5,205,441
Jun 8, 2026$17.08$17.95$14.41$15.86-5.76%4,782,063
Jun 1, 2026$17.26$18.06$16.28$16.83-5.24%4,304,500
May 26, 2026$20.15$21.72$17.18$17.76-2.20%7,004,755
May 18, 2026$16.86$18.69$16.70$18.16+10.19%4,732,939
May 11, 2026$16.70$17.25$15.52$16.48-1.02%4,702,655
May 4, 2026$16.49$18.65$14.82$16.65-28.11%16,062,056
Apr 27, 2026$24.60$25.21$21.98$23.16-5.35%4,920,833
Apr 20, 2026$23.47$24.76$22.73$24.47+3.55%4,118,204
Apr 13, 2026$20.27$24.31$19.79$23.63+16.35%4,762,275
Apr 6, 2026$19.02$21.35$18.82$20.31+6.89%4,094,320
Mar 30, 2026$17.74$19.28$17.27$19.00+7.83%4,016,860
Mar 23, 2026$18.43$19.44$17.22$17.62-2.38%4,817,408
Mar 16, 2026$18.82$21.23$18.02$18.05-3.99%7,486,964
Mar 9, 2026$22.77$22.98$18.62$18.80-18.51%4,901,838
Mar 2, 2026$18.24$23.50$18.16$23.07+22.97%6,937,529
Feb 23, 2026$18.18$19.19$16.41$18.76+0.94%7,929,053
Feb 17, 2026$26.61$28.71$17.42$18.59-29.76%12,167,459
Feb 9, 2026$24.30$27.34$23.62$26.46+8.93%4,395,490
Feb 2, 2026$23.88$25.55$22.31$24.29-0.04%5,435,879
Jan 26, 2026$24.29$24.81$23.09$24.30+0.04%3,032,698
Jan 20, 2026$23.21$25.05$22.79$24.29+1.84%2,743,566
Jan 12, 2026$22.96$24.23$22.26$23.85+3.97%4,120,109
Jan 5, 2026$20.50$23.23$19.38$22.94+11.25%4,972,194
Dec 29, 2025$22.41$22.86$20.50$20.62-8.60%5,127,966
Dec 22, 2025$21.82$23.14$20.93$22.56+3.58%3,782,278
Dec 15, 2025$23.41$24.08$21.69$21.78-6.40%9,729,133
Dec 8, 2025$19.79$25.97$19.79$23.27+18.60%7,394,863
Dec 1, 2025$18.79$20.58$18.57$19.62+2.83%6,172,291
Nov 24, 2025$17.42$19.50$16.70$19.08+11.91%6,115,112
Nov 17, 2025$17.49$20.28$16.25$17.05-2.85%11,908,741
Nov 10, 2025$23.64$24.60$15.96$17.55-25.29%14,946,243
Nov 3, 2025$40.76$41.05$23.21$23.49-43.05%12,965,219

Seasonality

CCOI return in each calendar month over the last 10 years, including dividends. The current month runs to the latest close.

YearJanFebMarAprMayJunJulAugSepOctNovDec
Average3.0%-2.4%2.3%3.1%-4.8%-0.1%3.8%-5.4%-4.0%1.6%-4.8%2.2%
Months up6 of 104 of 107 of 107 of 104 of 108 of 106 of 104 of 104 of 107 of 104 of 94 of 9
202612.7%-22.8%0.5%20.2%-21.5%-21.8%-2.7%-29.2%-18.3%-13.5%
2025-2.2%-3.0%-14.9%-11.4%-14.0%5.5%-5.4%-13.8%0.3%7.6%-53.7%13.0%
20241.5%4.8%-18.1%-1.8%-6.2%-4.7%25.1%0.5%8.5%5.7%3.6%-6.2%
202320.1%-5.6%-0.1%8.3%-9.6%9.4%-9.0%16.9%-12.3%5.0%-0.3%19.1%
2022-13.1%-0.3%6.1%-11.8%4.8%0.6%5.0%-15.3%-2.0%0.7%12.3%-1.7%
2021-4.9%5.1%16.3%9.8%1.2%1.7%0.9%-5.4%-2.4%8.1%-1.1%-2.3%
20207.8%2.9%13.2%2.3%-7.9%1.1%16.5%-24.6%-10.7%-7.1%5.5%3.0%
20197.2%0.5%12.7%1.8%7.0%1.5%6.1%-2.4%-9.5%6.4%8.0%5.0%
2018-0.4%-5.0%2.4%8.6%9.7%4.3%-2.7%6.4%2.0%-6.8%-5.6%-6.8%
20171.1%-0.8%5.0%4.5%-11.5%1.8%4.1%12.8%4.9%10.2%-12.2%-3.3%