Cogent Communications Inc.
CCOI | NASDAQ
$9.29
+$0.28 (+3.11%)
At close: Sep 21, 2026, 4:00 PM ET
$9.34
+$0.05 (+0.54%)
After-hours:
Sep 21, 2026, 7:30 PM ET
Market Cap History History
Annual Market Cap Change Annual Change
| Date | Market Cap | Change | % Change |
|---|---|---|---|
| Sep 17, 2026 | $432.23M | -$641.7M | -59.75% |
| Dec 25, 2025 | $1.07B | -$2.52B | -70.11% |
| Dec 26, 2024 | $3.59B | $1.36M | +0.04% |
| Dec 28, 2023 | $3.59B | $924.38M | +34.65% |
| Dec 29, 2022 | $2.67B | -$729.29M | -21.47% |
| Dec 30, 2021 | $3.4B | $648.7M | +23.60% |
| Dec 30, 2020 | $2.75B | -$233.81M | -7.84% |
| Dec 26, 2019 | $2.98B | $937.94M | +45.88% |
| Dec 27, 2018 | $2.04B | $16.24M | +0.80% |
| Dec 28, 2017 | $2.03B | $184.79M | +10.03% |
| Dec 29, 2016 | $1.84B | $305.59M | +19.87% |
| Dec 30, 2015 | $1.54B | -$58.99M | -3.69% |
| Dec 25, 2014 | $1.6B | -$269.22M | -14.43% |
| Dec 26, 2013 | $1.87B | $842.51M | +82.34% |
| Dec 27, 2012 | $1.02B | $261.85M | +34.39% |
| Dec 29, 2011 | $761.42M | $128.91M | +20.38% |
| Dec 30, 2010 | $632.51M | $194.09M | +44.27% |
| Dec 30, 2009 | $438.42M | $154.2M | +54.25% |
| Dec 25, 2008 | $284.23M | -$859.18M | -75.14% |
| Dec 27, 2007 | $1.14B | $357.33M | +45.46% |
| Dec 28, 2006 | $786.07M | n/a | n/a |
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