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CCOI
Cogent Communications Holdings, Inc.
stock NASDAQ

At Close

Jul 16, 2026 3:59:59 PM EDT

11.70USD-6.510%(-0.82)922,536

11.38Bid 13.89Ask 2.51Spread

Pre-market

Jul 16, 2026 9:29:30 AM EDT

12.50USD-0.160%(-0.02)17,449

After-hours

Jul 16, 2026 4:56:30 PM EDT

11.75USD+0.384%(+0.05)1,098

OverviewOptionsHistoricalExchange VolumeShortsMore

CCOI Volume Jul 16, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	40.56	312,866	38.02
Nasdaq GSM	33.88	261,349	38.62
NYSE Arca	9.10	70,159	6.95
IEX	4.57	35,265	5.28
Cboe BZX	4.08	31,491	3.77
Cboe EDGX	3.08	23,752	2.80
NYSE	1.29	9,978	0.98
MEMX	0.70	5,435	1.21
Cboe EDGA	0.66	5,061	0.41
Nasdaq BX	0.60	4,621	0.31
Cboe BYX	0.54	4,191	0.50
MIAX Pearl	0.34	2,640	0.36
CHX	0.26	2,031	0.35
Nasdaq PHLX	0.23	1,770	0.18
NYSE National	0.09	678	0.13
LTSE	0.00	3	0.00
NYSE American	0.00	0	0.09
24X National	0.00	0	0.03

chartexchange.com

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

CCOI Nutrition Facts

0.60 servings per container

Serving size

1.29M

Calories

771.29K

% Day

% Avg

Off Exchange¹ 313K

40.56%

38.02%

Nasdaq GSM 261K

33.88%

38.62%

NYSE Arca 70K

9.10%

6.95%

IEX 35K

4.57%

5.28%

Cboe BZX 31K

4.08%

3.77%

Cboe EDGX 24K

3.08%

2.80%

NYSE 10K

1.29%

0.98%

MEMX 5K

0.70%

1.21%

Cboe EDGA 5K

0.66%

0.41%

Nasdaq BX 5K

0.60%

0.31%

Cboe BYX 4K

0.54%

0.50%

MIAX Pearl 3K

0.34%

0.36%

CHX 2K

0.26%

0.35%

Nasdaq PHLX 2K

0.23%

0.18%

NYSE National 678

0.09%

0.13%

LTSE 3

0.00%

NYSE American 0

0.00%

0.09%

24X National 0

0.00%

0.03%

¹ A) Dark Pool or Off Exchange? B) Venues explained. C) All trades that update volume from the CTA.

chartexchange.com

CCOI Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 312,866, which is 40.56% of today's total volume.
Today's Lit volume is 458,424, which is 59.44%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 38.02%.
The average Lit volume has been 61.98%.

CCOI Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Nasdaq BX

Cboe BYX