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CLB
Core Laboratories Inc.
stock NYSE

Market Open

Aug 4, 2026 2:52:05 PM EDT

11.16USD+4.202%(+0.45)358,698

11.15Bid 11.17Ask 0.02Spread

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 2:34:51 PM EDT

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Exchange	Day%	Volume	30D%
Off Exchange¹	43.63	146,063	35.43
NYSE	17.91	59,948	38.82
Nasdaq GSM	11.75	39,348	8.04
IEX	8.99	30,089	4.35
Cboe BZX	5.35	17,897	4.43
NYSE Arca	5.28	17,679	5.19
Cboe EDGX	2.26	7,560	1.50
MEMX	1.53	5,121	0.84
Cboe EDGA	0.86	2,876	0.34
Nasdaq PHLX	0.62	2,070	0.09
Cboe BYX	0.55	1,854	0.29
CHX	0.46	1,527	0.06
NYSE National	0.35	1,165	0.13
Nasdaq BX	0.29	982	0.21
MIAX Pearl	0.18	619	0.14
NYSE American	0.00	3	0.13
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

0.29 servings per container

Serving size

1.14M

Calories

334.80K

% Day

% Avg

Off Exchange¹ 146K

43.63%

35.43%

NYSE 60K

17.91%

38.82%

Nasdaq GSM 39K

11.75%

8.04%

IEX 30K

8.99%

4.35%

Cboe BZX 18K

5.35%

4.43%

NYSE Arca 18K

5.28%

5.19%

Cboe EDGX 8K

2.26%

1.50%

MEMX 5K

1.53%

0.84%

Cboe EDGA 3K

0.86%

0.34%

Nasdaq PHLX 2K

0.62%

0.09%

Cboe BYX 2K

0.55%

0.29%

CHX 2K

0.46%

0.06%

NYSE National 1K

0.35%

0.13%

Nasdaq BX 982

0.29%

0.21%

MIAX Pearl 619

0.18%

0.14%

NYSE American 3

0.00%

0.13%

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 146,063, which is 43.63% of today's total volume.
Today's Lit volume is 188,738, which is 56.37%.
Over the past 30 days, the average Off Exchange & Dark Pool volume has been 35.43%.
The average Lit volume has been 64.57%.

CLB Volume by Exchange

Off Exchange

NYSE

Nasdaq GSM

IEX

Cboe BZX

NYSE Arca

Cboe EDGX

MEMX

Cboe EDGA

Nasdaq PHLX

Cboe BYX