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CLB
Core Laboratories Inc.
stock NYSE

Market Open

Aug 4, 2026 12:51:06 PM EDT

11.23USD+4.855%(+0.52)275,171

11.21Bid 11.25Ask 0.04Spread

Pre-market

0.00USD-100.000%(-10.64)0

After-hours

Aug 3, 2026 4:10:30 PM EDT

10.71USD0.000%(0.00)0

OverviewOptionsHistoricalExchange VolumeShortsMore

CLB Volume Aug 4, 2026 12:35:02 PM EDT

[NF]

Exchange	Day%	Volume	30D%
Off Exchange¹	42.43	110,664	35.41
NYSE	18.30	47,747	38.87
Nasdaq GSM	12.27	32,014	8.04
IEX	9.19	23,984	4.34
NYSE Arca	5.48	14,306	5.20
Cboe BZX	5.00	13,037	4.42
Cboe EDGX	2.33	6,082	1.50
MEMX	1.49	3,892	0.84
Cboe EDGA	0.80	2,093	0.34
Nasdaq PHLX	0.70	1,817	0.09
Cboe BYX	0.65	1,695	0.29
CHX	0.58	1,525	0.06
Nasdaq BX	0.38	981	0.21
NYSE National	0.24	615	0.13
MIAX Pearl	0.15	392	0.14
NYSE American	0.00	1	0.14
24X National	0.00	0	0.00
LTSE	0.00	0	0.00
Texas Stock Exchange LLC	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.

CLB Nutrition Facts

0.23 servings per container

Serving size

1.14M

Calories

260.85K

% Day

% Avg

Off Exchange¹ 111K

42.43%

35.41%

NYSE 48K

18.30%

38.87%

Nasdaq GSM 32K

12.27%

8.04%

IEX 24K

9.19%

4.34%

NYSE Arca 14K

5.48%

5.20%

Cboe BZX 13K

5.00%

4.42%

Cboe EDGX 6K

2.33%

1.50%

MEMX 4K

1.49%

0.84%

Cboe EDGA 2K

0.80%

0.34%

Nasdaq PHLX 2K

0.70%

0.09%

Cboe BYX 2K

0.65%

0.29%

CHX 2K

0.58%

0.06%

Nasdaq BX 981

0.38%

0.21%

NYSE National 615

0.24%

0.13%

MIAX Pearl 392

0.15%

0.14%

NYSE American 1

0.00%

0.14%

24X National 0

0.00%

LTSE 0

0.00%

Texas Stock Exchange LLC 0

0.00%

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

chartexchange.com

CLB Off Exchange & Dark Pool Summary

Today's Off Exchange & Dark Pool volume is 110,664, which is 42.43% of today's total volume.
Today's Lit volume is 150,181, which is 57.57%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 35.41%.
The average Lit volume has been 64.59%.

CLB Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

NYSE Arca

Cboe BZX

Cboe EDGX

MEMX

Cboe EDGA

Nasdaq PHLX

Cboe BYX