CLB earnings date, and what happened the last 4 times

Next report

Wed Oct 28

Quality Score today 1

After the close, in 2 days. Confirmed by the company.

CLB closed higher after 2 of its last 4 reports. On average it closed -2.8% the session after a report.

The moment CLB reports

Its figures, in plain words
How it moves after, beside its last four
Its Quality Score going in, and after

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What happened after CLB's last 4 reports

CLB's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 29, 20262026 · After close	-2estimated	+5.8%	+4.9%	+10.9%
Apr 29, 20262026 · After close	8estimated	-6.8%	-15.3%	-21.0%
Mar 17, 20262026 · Before open	4estimated	+1.6%	+3.3%	+7.0%
Feb 4, 20262026 · After close	15estimated	-3.1%	-4.2%	-3.4%

Jul 29, 2026, after the close: the next session CLB opened +5.8% and closed +4.9%, and five sessions on it stood +10.9%. Its Quality Score going in was -2 (Poor), estimated.
Apr 29, 2026, after the close: the next session CLB opened -6.8% and closed -15.3%, and five sessions on it stood -21.0%. Its Quality Score going in was 8 (Average), estimated.
Mar 17, 2026, before the open: that session CLB opened +1.6% and closed +3.3%, and five sessions on it stood +7.0%. Its Quality Score going in was 4 (Below Average), estimated.
Feb 4, 2026, after the close: the next session CLB opened -3.1% and closed -4.2%, and five sessions on it stood -3.4%. Its Quality Score going in was 15 (Excellent), estimated.

Across these 4 reports CLB opened higher after 2 of 4 and closed higher after 2 of 4; on average it opened -0.6%, closed -2.8%, and stood -1.6% five sessions on. Its Quality Score is 1 today, against -2 going into its Jul 29, 2026 report.

Gap: where the stock opened the session after the report. Reaction: where that session closed. Both against the close before the report. The largest of the 4: -15.3% after the Apr 29, 2026 report. A score marked estimated was worked out afterwards from that day's prices and filings; Breakaway has recorded every score live since Sep 9 2026.

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Questions about CLB's earnings

As of Oct 26, 2026: Core Laboratories (CLB): reports Wed Oct 28, after the close. CLB closed higher after 2 of its last 4 reports. Its Quality Score is 1 (Below Average). Scores as of 11:11 PM ET, 15 minutes behind.

When is CLB's next earnings date?

Reports Wed Oct 28, after the close, a date the company confirmed. CLB closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does CLB report before or after the market?

CLB reports Wed Oct 28, after the close. Its last 4 reports came 3 after the close and 1 before the open.

How did CLB stock react to its last earnings report?

Jul 29, 2026, after the close: the next session CLB opened +5.8% and closed +4.9%, and five sessions on it stood +10.9%.

Does CLB stock usually go up after earnings?

CLB closed higher after 2 of its last 4 reports. On average it closed -2.8% the session after a report, after opening -0.6%. Past behavior, not a forecast.

Core Laboratories' page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: this week's earnings.