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MKTX
MarketAxess Holdings Inc.
stock NASDAQ

At Close

Aug 17, 2026 3:59:59 PM EDT

162.60USD+0.018%(+0.03)1,206,000

154.48Bid 170.81Ask 16.33Spread

Pre-market

Aug 14, 2026 8:31:30 AM EDT

162.63USD+0.035%(+0.06)0

After-hours

Aug 17, 2026 4:02:30 PM EDT

162.50USD-0.062%(-0.10)698

OverviewOptionsHistoricalDark Pool LevelsShortsMore

MKTX Volume Aug 17, 2026

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	40.30	424,126	45.37
Nasdaq GSM	25.62	269,668	29.74
NYSE Arca	10.63	111,879	7.61
IEX	7.28	76,605	6.78
Cboe BZX	5.05	53,183	3.93
Cboe EDGX	2.49	26,218	1.68
Cboe BYX	2.37	24,912	0.74
Cboe EDGA	2.33	24,482	0.75
Nasdaq PHLX	1.03	10,856	0.12
MEMX	1.01	10,647	0.83
NYSE	0.91	9,576	1.09
NYSE National	0.31	3,248	0.29
NYSE American	0.27	2,891	0.13
Nasdaq BX	0.19	2,045	0.36
24X National	0.07	744	0.05
MIAX Pearl	0.06	679	0.25
Texas Stock Exchange LLC	0.05	503	0.01
CHX	0.02	240	0.25
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.

MKTX Nutrition Facts

0.90 servings per container

Serving size

1.16M

Calories

1.05M

% Day

% Avg

Off Exchange¹ 424K

40.30%

45.37%

Nasdaq GSM 270K

25.62%

29.74%

NYSE Arca 112K

10.63%

7.61%

IEX 77K

7.28%

6.78%

Cboe BZX 53K

5.05%

3.93%

Cboe EDGX 26K

2.49%

1.68%

Cboe BYX 25K

2.37%

0.74%

Cboe EDGA 24K

2.33%

0.75%

Nasdaq PHLX 11K

1.03%

0.12%

MEMX 11K

1.01%

0.83%

NYSE 10K

0.91%

1.09%

NYSE National 3K

0.31%

0.29%

NYSE American 3K

0.27%

0.13%

Nasdaq BX 2K

0.19%

0.36%

24X National 744

0.07%

0.05%

MIAX Pearl 679

0.06%

0.25%

Texas Stock Exchange LLC 503

0.05%

0.01%

CHX 240

0.02%

0.25%

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

MKTX Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 424,126, which is 40.30% of today's total volume.
Today's Lit volume is 628,376, which is 59.70%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 45.37%.
The average Lit volume has been 54.63%.

MKTX Volume by Exchange

Off Exchange

Nasdaq GSM

NYSE Arca

IEX

Cboe BZX

Cboe EDGX

Cboe BYX

Cboe EDGA

Nasdaq PHLX

MEMX

NYSE