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COLL
Collegium Pharmaceutical, Inc. Common Stock
stock NASDAQ

At Close

Sep 11, 2026 3:59:57 PM EDT

22.76USD-0.698%(-0.16)654,915

0.00Bid 0.00Ask 0.00Spread

Pre-market

0.00USD-100.000%(-22.92)0

After-hours

Sep 10, 2026 4:00:30 PM EDT

22.92USD-0.218%(-0.05)0

OverviewOptionsHistoricalDark Pool LevelsShortsMore

COLL Volume Sep 11, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	50.01	281,928	43.39
Nasdaq GSM	18.78	105,864	33.08
IEX	12.23	68,969	6.76
NYSE Arca	7.93	44,714	5.71
Cboe BZX	5.12	28,867	4.42
Cboe EDGX	2.18	12,264	1.93
NYSE	1.24	6,984	1.02
MEMX	0.65	3,658	0.85
Nasdaq PHLX	0.48	2,705	0.16
Cboe BYX	0.41	2,298	0.71
Cboe EDGA	0.38	2,119	0.61
MIAX Pearl	0.19	1,064	0.16
CHX	0.12	656	0.10
LTSE	0.10	585	0.09
NYSE National	0.08	426	0.26
NYSE American	0.05	283	0.27
Nasdaq BX	0.03	189	0.44
24X National	0.02	118	0.02
Texas Stock Exchange LLC	0.00	20	0.01

chartexchange.com

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

COLL Nutrition Facts

0.65 servings per container

Serving size

864.78K

Calories

563.71K

% Day

% Avg

Off Exchange¹ 282K

50.01%

43.39%

Nasdaq GSM 106K

18.78%

33.08%

IEX 69K

12.23%

6.76%

NYSE Arca 45K

7.93%

5.71%

Cboe BZX 29K

5.12%

4.42%

Cboe EDGX 12K

2.18%

1.93%

NYSE 7K

1.24%

1.02%

MEMX 4K

0.65%

0.85%

Nasdaq PHLX 3K

0.48%

0.16%

Cboe BYX 2K

0.41%

0.71%

Cboe EDGA 2K

0.38%

0.61%

MIAX Pearl 1K

0.19%

0.16%

CHX 656

0.12%

0.10%

LTSE 585

0.10%

0.09%

NYSE National 426

0.08%

0.26%

NYSE American 283

0.05%

0.27%

Nasdaq BX 189

0.03%

0.44%

24X National 118

0.02%

Texas Stock Exchange LLC 20

0.00%

0.01%

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

chartexchange.com

COLL Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 281,928, which is 50.01% of today's total volume.
Today's Lit volume is 281,783, which is 49.99%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.39%.
The average Lit volume has been 56.61%.

COLL Volume by Exchange

Off Exchange

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

NYSE

MEMX

Nasdaq PHLX

Cboe BYX

Cboe EDGA