CNM earnings date, and what happened the last 4 times

Next report

Tue Dec 8

Quality Score today 1

Before the open, in 42 days. Expected: the company has not confirmed it.

CNM closed higher after 2 of its last 4 reports. On average it closed -1.3% the session after a report.

The moment CNM reports

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

Get an alert when CNM reports, with its figures

See it live, free until tomorrow morning. No account. No card. Then keep going with a free account.

What happened after CNM's last 4 reports

CNM's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Sep 9, 20262026 · Before open	0estimated	+0.5%	-5.6%	-6.8%
Jun 10, 20262026 · Before open	5estimated	-1.0%	-6.1%	-9.3%
Mar 24, 20262026 · Before open	-1estimated	-0.2%	+4.5%	-1.4%
Dec 9, 20252025 · Before open	5estimated	+5.0%	+2.1%	+9.7%

Sep 9, 2026, before the open: that session CNM opened +0.5% and closed -5.6%, and five sessions on it stood -6.8%. Its Quality Score going in was 0 (Below Average), estimated.
Jun 10, 2026, before the open: that session CNM opened -1.0% and closed -6.1%, and five sessions on it stood -9.3%. Its Quality Score going in was 5 (Below Average), estimated.
Mar 24, 2026, before the open: that session CNM opened -0.2% and closed +4.5%, and five sessions on it stood -1.4%. Its Quality Score going in was -1 (Poor), estimated.
Dec 9, 2025, before the open: that session CNM opened +5.0% and closed +2.1%, and five sessions on it stood +9.7%. Its Quality Score going in was 5 (Below Average), estimated.

Across these 4 reports CNM opened higher after 2 of 4 and closed higher after 2 of 4; on average it opened +1.1%, closed -1.3%, and stood -1.9% five sessions on. Its Quality Score is 1 today, against 0 going into its Sep 9, 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: -6.1% after the Jun 10, 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.

Tested. Our top-⁠scored stocks returned 2.2x the average stock over the next month. How we tested it

Pro members see CNM's reaction live as a report comes out, the release's figures, and an optional alert before it reports.

We do the work for you. Every stock is scored and ranked, every 15 seconds while the market is open. Here it's 15 minutes behind. Pro members see it live.

Questions about CNM's earnings

As of Oct 27, 2026: Core & Main (CNM): expected to report Tue Dec 8, before the open. CNM closed higher after 2 of its last 4 reports. Its Quality Score is 1 (Below Average). Scores as of 12:12 AM ET, 15 minutes behind.

When is CNM's next earnings date?

Expected to report Tue Dec 8, before the open, a date Breakaway expects from the company's usual timing; the company has not confirmed it. CNM closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does CNM report before or after the market?

CNM is expected to report Tue Dec 8, before the open. Its last 4 reports came before the open.

How did CNM stock react to its last earnings report?

Sep 9, 2026, before the open: that session CNM opened +0.5% and closed -5.6%, and five sessions on it stood -6.8%.

Does CNM stock usually go up after earnings?

CNM closed higher after 2 of its last 4 reports. On average it closed -1.3% the session after a report, after opening +1.1%. Past behavior, not a forecast.

Core & Main's page has its Quality Score, its chart, and its insiders' trades. Who reports this week: the earnings calendar.