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CMPX
Compass Therapeutics, Inc. Common Stock
stock NASDAQ

At Close

Sep 22, 2026 3:59:57 PM EDT

1.22USD-32.967%(-0.60)26,901,781

1.06Bid 1.41Ask 0.35Spread

Pre-market

Sep 22, 2026 9:29:30 AM EDT

1.24USD-31.857%(-0.58)1,128,458

After-hours

Sep 22, 2026 4:56:30 PM EDT

1.26USD+3.262%(+0.04)53,697

OverviewOptionsHistoricalDark Pool PrintsShortsMore

CMPX Volume Sep 22, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	57.44	15,582,199	43.95
Nasdaq GSM	12.54	3,402,698	27.05
NYSE Arca	12.17	3,301,310	8.93
IEX	4.14	1,122,495	5.97
Cboe EDGX	3.89	1,054,867	3.06
Cboe BZX	3.43	929,720	4.05
NYSE	1.32	358,857	1.87
Cboe BYX	1.28	346,439	1.47
MEMX	1.18	319,581	0.83
Cboe EDGA	0.66	180,344	0.66
NYSE National	0.65	175,471	0.87
MIAX Pearl	0.43	117,814	0.52
Nasdaq BX	0.37	100,266	0.25
Nasdaq PHLX	0.18	50,079	0.14
NYSE American	0.17	46,637	0.15
Texas Stock Exchange LLC	0.06	16,987	0.12
CHX	0.04	11,436	0.05
24X National	0.04	9,592	0.05

chartexchange.com

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

CMPX Nutrition Facts

9.19 servings per container

Serving size

2.95M

Calories

27.13M

% Day

% Avg

Off Exchange¹ 16M

57.44%

43.95%

Nasdaq GSM 3M

12.54%

27.05%

NYSE Arca 3M

12.17%

8.93%

IEX 1M

4.14%

5.97%

Cboe EDGX 1M

3.89%

3.06%

Cboe BZX 930K

3.43%

4.05%

NYSE 359K

1.32%

1.87%

Cboe BYX 346K

1.28%

1.47%

MEMX 320K

1.18%

0.83%

Cboe EDGA 180K

0.66%

NYSE National 175K

0.65%

0.87%

MIAX Pearl 118K

0.43%

0.52%

Nasdaq BX 100K

0.37%

0.25%

Nasdaq PHLX 50K

0.18%

0.14%

NYSE American 47K

0.17%

0.15%

Texas Stock Exchange LLC 17K

0.06%

0.12%

CHX 11K

0.04%

0.05%

24X National 10K

0.04%

0.05%

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

chartexchange.com

CMPX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 15,582,199, which is 57.44% of today's total volume.
Today's Lit volume is 11,544,593, which is 42.56%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 43.95%.
The average Lit volume has been 56.05%.

CMPX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe EDGX

Cboe BZX

NYSE

Cboe BYX

MEMX

Cboe EDGA

NYSE National