CCOI Historical Price | Market Close

Cogent Communications Holdings, Inc.

High: 45.10; on 10/15/25
Low: 9.01; on 09/01/26
Average: 22.0979; 1.41mm
Net Chg: -27.24; -73.86%

Range-PeriodFields

252 daily bars · USD · High, Low and Average are close-basis over the range.

Date	Last Price	Volume
Tu 09/08/26	9.64	2,638,400
Fr 09/04/26	10.05	1,322,100
Th 09/03/26	9.98	1,851,900
We 09/02/26	10.22	2,645,200
Tu 09/01/26	9.01	1,611,546
Mo 08/31/26	9.54	1,618,806
Fr 08/28/26	9.48	1,055,771
Th 08/27/26	9.67	1,233,008
We 08/26/26	10.05	954,451
Tu 08/25/26	9.88	1,423,145
Mo 08/24/26	9.49	2,501,436
Fr 08/21/26	9.17	1,858,000
Th 08/20/26	10.01	1,620,800
We 08/19/26	10.37	2,375,600
Tu 08/18/26	10.13	1,764,000
Mo 08/17/26	10.75	1,286,500
Fr 08/14/26	11.31	2,261,900
Th 08/13/26	10.35	2,205,300
We 08/12/26	10.25	1,509,900
Tu 08/11/26	10.82	1,729,800
Mo 08/10/26	10.30	2,527,500
Fr 08/07/26	9.92	4,212,900

Date	Last Price	Volume
Th 08/06/26	10.91	3,293,700
We 08/05/26	12.87	1,462,500
Tu 08/04/26	13.30	1,083,900
Mo 08/03/26	13.23	1,415,500
Fr 07/31/26	13.50	962,600
Th 07/30/26	13.24	1,014,000
We 07/29/26	12.69	1,407,700
Tu 07/28/26	12.95	998,300
Mo 07/27/26	12.22	999,700

Date	Last Price	Volume
Tu 07/07/26	11.66	1,343,000
Mo 07/06/26	12.19	1,424,500
Th 07/02/26	12.99	2,188,900
We 07/01/26	14.28	1,445,900
Tu 06/30/26	13.88	2,193,600
Mo 06/29/26	13.14	1,978,900
Fr 06/26/26	13.41	2,535,600
Th 06/25/26	13.16	1,887,100
We 06/24/26	13.52

Date	Last Price	Volume
We 06/03/26	16.39	1,090,200
Tu 06/02/26	17.40	768,400
Mo 06/01/26	17.69	1,100,500
Fr 05/29/26	17.76	2,002,100
Th 05/28/26	19.82	1,414,200
We 05/27/26	21.62	1,135,400
Tu 05/26/26	19.96	2,447,800
Fr 05/22/26	18.16	595,200
Th 05/21/26	18.37

Date	Last Price	Volume
Fr 05/01/26	23.16	1,461,500
Th 04/30/26	22.65	1,739,300
We 04/29/26	23.46	608,300
Tu 04/28/26	24.21	477,700
Mo 04/27/26	24.68	634,000
Fr 04/24/26	24.47	537,000
Th 04/23/26	23.97	799,600
We 04/22/26	23.34	757,000
Tu 04/21/26	23.50	841,000

Date	Last Price	Volume
Tu 03/31/26	18.84	1,656,100
Mo 03/30/26	17.46	804,100
Fr 03/27/26	17.62	905,100
Th 03/26/26	17.92	922,500
We 03/25/26	18.34	764,300
Tu 03/24/26	18.27	735,500
Mo 03/23/26	18.85	1,489,900
Fr 03/20/26	18.05	4,006,700
Th 03/19/26	20.02

Date	Last Price	Volume
Fr 02/27/26	18.76	904,000
Th 02/26/26	18.55	958,000
We 02/25/26	18.49	994,600
Tu 02/24/26	18.94	1,605,600
Mo 02/23/26	17.87	3,466,400
Fr 02/20/26	18.59	7,029,900
Th 02/19/26	26.31	2,298,100
We 02/18/26	27.66	1,570,800
Tu 02/17/26	26.79	1,268,700

Date	Last Price	Volume
Tu 01/27/26	23.87	438,500
Mo 01/26/26	24.02	450,400
Fr 01/23/26	24.29	451,500
Th 01/22/26	24.71	646,700
We 01/21/26	23.72	715,800
Tu 01/20/26	23.12	929,500
Fr 01/16/26	23.85	956,100
Th 01/15/26	23.21	679,500
We 01/14/26	23.44

Date	Last Price	Volume
Tu 12/23/25	21.90	1,425,400
Mo 12/22/25	22.57	1,241,300
Fr 12/19/25	21.78	3,379,500
Th 12/18/25	22.51	1,405,200
We 12/17/25	22.68	2,118,400
Tu 12/16/25	23.05	1,380,400
Mo 12/15/25	22.84	1,445,600
Fr 12/12/25	23.27	931,700
Th 12/11/25	24.33

Date	Last Price	Volume
Th 11/20/25	16.68	2,536,700
We 11/19/25	16.98	1,719,200
Tu 11/18/25	19.81	2,523,700
Mo 11/17/25	18.50	2,382,300
Fr 11/14/25	17.55	2,807,600
Th 11/13/25	16.68	3,203,200
We 11/12/25	18.49	3,686,100
Tu 11/11/25	20.62	2,464,500
Mo 11/10/25	22.12	2,784,200

Date	Last Price	Volume
Tu 10/21/25	44.15	1,408,600
Mo 10/20/25	44.35	1,025,300
Fr 10/17/25	43.45	1,541,100
Th 10/16/25	44.85	1,111,000
We 10/15/25	45.10	706,200
Tu 10/14/25	44.01	885,900
Mo 10/13/25	43.60	731,400
Fr 10/10/25	42.05	782,100
Th 10/09/25	43.66

Date	Last Price	Volume
Fr 09/19/25	36.62	3,175,100
Th 09/18/25	37.92	1,697,900
We 09/17/25	37.65	1,231,600
Tu 09/16/25	37.70	1,875,300
Mo 09/15/25	37.34	1,624,900
Fr 09/12/25	36.01	2,055,100
Th 09/11/25	35.96	1,701,000
We 09/10/25	35.30	1,834,400
Tu 09/09/25	36.30	1,826,400