Dark

CCOI
Cogent Communications Holdings, Inc.
stock NASDAQ

At Close

Sep 25, 2026 3:59:55 PM EDT

7.68USD+0.524%(+0.04)1,752,922

0.00Bid 0.00Ask 0.00Spread

Pre-market

Sep 25, 2026 9:28:30 AM EDT

7.70USD+0.785%(+0.06)34,502

After-hours

Sep 25, 2026 4:33:30 PM EDT

7.69USD+0.130%(+0.01)9,654

OverviewOptionsHistoricalDark Pool LevelsShortsMore

CCOI Volume Sep 25, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	38.85	680,263	39.95
Nasdaq GSM	35.31	618,408	37.63
NYSE Arca	6.51	113,981	6.35
IEX	5.19	90,963	5.06
Cboe BZX	4.63	81,116	3.47
Cboe EDGX	3.42	59,965	2.49
NYSE	1.91	33,364	1.47
MEMX	1.28	22,408	1.14
Cboe EDGA	0.76	13,229	0.40
Cboe BYX	0.60	10,585	0.57
Texas Stock Exchange LLC	0.43	7,493	0.34
MIAX Pearl	0.40	7,032	0.41
Nasdaq BX	0.19	3,284	0.19
NYSE American	0.16	2,756	0.10
NYSE National	0.13	2,306	0.16
CHX	0.09	1,627	0.11
Nasdaq PHLX	0.09	1,607	0.13
24X National	0.04	758	0.01
LTSE	0.00	0	0.00

chartexchange.com

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

CCOI Nutrition Facts

0.84 servings per container

Serving size

2.08M

Calories

1.75M

% Day

% Avg

Off Exchange¹ 680K

38.85%

39.95%

Nasdaq GSM 618K

35.31%

37.63%

NYSE Arca 114K

6.51%

6.35%

IEX 91K

5.19%

5.06%

Cboe BZX 81K

4.63%

3.47%

Cboe EDGX 60K

3.42%

2.49%

NYSE 33K

1.91%

1.47%

MEMX 22K

1.28%

1.14%

Cboe EDGA 13K

0.76%

0.40%

Cboe BYX 11K

0.60%

0.57%

Texas Stock Exchange LLC 7K

0.43%

0.34%

MIAX Pearl 7K

0.40%

0.41%

Nasdaq BX 3K

0.19%

NYSE American 3K

0.16%

0.10%

NYSE National 2K

0.13%

0.16%

CHX 2K

0.09%

0.11%

Nasdaq PHLX 2K

0.09%

0.13%

24X National 758

0.04%

0.01%

LTSE 0

0.00%

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 680,263, which is 38.85% of today's total volume.
Today's Lit volume is 1,070,882, which is 61.15%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 39.95%.
The average Lit volume has been 60.05%.

CCOI Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

NYSE

MEMX

Cboe EDGA

Cboe BYX

Texas Stock Exchange LLC