Cogent Communications Holdings, Inc. (CCOI) NASDAQ

Currency In USD

CCOI Historical Return

If you invested $1000 in Cogent Communications Holdings, Inc. (CCOI) 10 years ago, it would be worth $589.94 as of June 23, 2026, based on a reinvested dividends scenario. Over the same period, a $1000 investment made 5 years ago would be worth $243.2, while $1000 invested 1 year ago would be worth $306.31. This corresponds to total returns of -41.01%, -75.68%, -69.37%, respectively, with annualized returns of -5.14%, -24.62%, -69.37%.

Custom investment amounts or purchase dates can also be explored using the Stoculator calculator. Past performance does not guarantee future results.

CCOI Historical Data

Date Range:

Date	Open	Close	Adj Close	High	Low	Volume
June 22, 2026	14.04	14.66	14.66	15.88	13.69	1.91M
June 18, 2026	15.07	14.19	14.19	15.24	14.13	1.91M
June 17, 2026	15.9	14.61	14.61	16.07	14.57	1.12M
June 16, 2026	16.46	16.05	16.05	16.97	16	927,595
June 15, 2026	16.04	16.45	16.45	17.65	16	1.23M
June 12, 2026	15.09	15.86	15.86	15.91	14.61	1.12M
June 11, 2026	14.46	14.94	14.94	15.09	14.41	966,789
June 10, 2026	15.75	14.46	14.46	16.05	14.43	1.07M
June 09, 2026	16.86	15.81	15.81	17.34	15.79	622,952
June 08, 2026	17.08	16.78	16.78	17.95	16.74	994,598
June 05, 2026	17.44	16.83	16.83	17.74	16.3	763,552
June 04, 2026	16.61	17.29	17.29	17.43	16.61	581,726
June 03, 2026	17.43	16.39	16.39	17.49	16.28	1.08M
June 02, 2026	17.55	17.4	17.4	17.6	17.08	768,403
June 01, 2026	17.26	17.69	17.69	18.06	17	1.1M
May 29, 2026	19.02	17.76	17.76	19.26	17.18	2M
May 28, 2026	21.53	19.82	19.82	21.7	19.82	1.4M
May 27, 2026	19.96	21.62	21.62	21.72	19.49	1.14M
May 26, 2026	20.15	19.96	19.96	20.7	18.94	2.45M
May 22, 2026	18.41	18.16	18.16	18.69	17.68	593,969
May 21, 2026	17.5	18.37	18.37	18.58	17.3	909,107
May 20, 2026	17.59	17.77	17.77	18.26	16.76	950,985
May 19, 2026	17.08	17.68	17.68	17.94	16.7	1M
May 18, 2026	16.86	17.22	17.22	17.9	16.7	1.22M
May 15, 2026	15.95	16.48	16.48	16.5	15.52	1.01M
May 14, 2026	15.97	16.11	16.11	16.81	15.72	812,696
May 13, 2026	15.96	15.77	15.77	16.48	15.52	916,309
May 12, 2026	16.43	16.11	16.11	16.53	15.96	893,781
May 11, 2026	16.7	16.4	16.4	17.25	16.27	1.07M
May 08, 2026	16.39	16.65	16.65	17.47	16.08	1.18M
May 07, 2026	16.52	16.32	16.32	17.17	16.12	1.37M
May 06, 2026	18.3	16.6	16.6	18.61	16.2	1.94M
May 05, 2026	16.61	18.06	18.06	18.65	16.1	4.01M
May 04, 2026	16.49	16.37	16.37	17.89	14.82	7.55M
May 01, 2026	22.95	23.16	23.16	24.23	22.9	1.46M
April 30, 2026	23.32	22.65	22.65	23.76	21.98	1.38M
April 29, 2026	23.95	23.46	23.46	23.96	23.2	608,269
April 28, 2026	24.53	24.21	24.21	24.83	23.89	477,596
April 27, 2026	24.6	24.68	24.68	25.21	24.24	633,977
April 24, 2026	23.93	24.47	24.47	24.72	23.47	515,969
April 23, 2026	23.32	23.97	23.97	24.21	22.97	799,552
April 22, 2026	23.7	23.34	23.34	24.04	22.73	757,017
April 21, 2026	24.43	23.5	23.5	24.49	23.39	840,973
April 20, 2026	23.47	24.39	24.39	24.76	23.21	1.18M
April 17, 2026	23.56	23.63	23.63	23.85	23.06	800,903
April 16, 2026	23.53	23.25	23.25	24	22.39	910,077
April 15, 2026	22.78	23.53	23.53	24.31	22.48	922,122
April 14, 2026	21.63	22.54	22.54	23.06	20.95	1.08M
April 13, 2026	20.27	21.38	21.38	21.96	19.79	1.04M
April 10, 2026	20.73	20.31	20.31	21.15	20.19	632,811
April 09, 2026	19.64	20.44	20.44	20.51	19.49	851,547
April 08, 2026	21.05	19.72	19.72	21.35	19.5	937,630
April 07, 2026	19.2	20.16	20.16	20.42	18.82	956,200
April 06, 2026	19.02	19.22	19.22	19.47	18.86	716,006
April 02, 2026	18.04	19	19	19.03	17.79	775,026
April 01, 2026	19.05	18.31	18.31	19.28	18.18	781,498
March 31, 2026	17.79	18.84	18.84	18.9	17.35	1.68M
March 30, 2026	17.74	17.46	17.46	18.13	17.27	802,939
March 27, 2026	17.72	17.62	17.62	17.91	17.22	903,134
March 26, 2026	18.07	17.92	17.92	18.59	17.58	920,498