CSGP earnings date, and what happened the last 4 times

Next report

Tue Oct 27

Quality Score today 0

After the close, tomorrow. Confirmed by the company.

CSGP closed higher after 0 of its last 4 reports. On average it closed -6.4% the session after a report.

The moment CSGP 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 CSGP reports, with its figures

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

What happened after CSGP's last 4 reports

CSGP's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 28, 20262026 · After close	2estimated	-14.2%	-1.6%	-1.7%
Apr 28, 20262026 · After close	1estimated	-0.9%	-5.1%	-3.0%
Feb 24, 20262026 · After close	2estimated	-5.2%	-8.9%	-4.8%
Oct 28, 20252025 · After close	2estimated	-7.5%	-9.9%	-10.8%

Jul 28, 2026, after the close: the next session CSGP opened -14.2% and closed -1.6%, and five sessions on it stood -1.7%. Its Quality Score going in was 2 (Below Average), estimated.
Apr 28, 2026, after the close: the next session CSGP opened -0.9% and closed -5.1%, and five sessions on it stood -3.0%. Its Quality Score going in was 1 (Below Average), estimated.
Feb 24, 2026, after the close: the next session CSGP opened -5.2% and closed -8.9%, and five sessions on it stood -4.8%. Its Quality Score going in was 2 (Below Average), estimated.
Oct 28, 2025, after the close: the next session CSGP opened -7.5% and closed -9.9%, and five sessions on it stood -10.8%. Its Quality Score going in was 2 (Below Average), estimated.

Across these 4 reports CSGP opened higher after 0 of 4 and closed higher after 0 of 4; on average it opened -6.9%, closed -6.4%, and stood -5.1% five sessions on. Its Quality Score is 0 today, against 2 going into its Jul 28, 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: -9.9% after the Oct 28, 2025 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 CSGP'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 CSGP's earnings

As of Oct 26, 2026: CoStar Group (CSGP): reports Tue Oct 27, after the close. CSGP closed higher after 0 of its last 4 reports. Its Quality Score is 0 (Below Average). Scores as of 11:11 PM ET, 15 minutes behind.

When is CSGP's next earnings date?

Reports Tue Oct 27, after the close, a date the company confirmed. CSGP closed higher after 0 of its last 4 reports. Past behavior, not a forecast.

Does CSGP report before or after the market?

CSGP reports Tue Oct 27, after the close. Its last 4 reports came after the close.

How did CSGP stock react to its last earnings report?

Jul 28, 2026, after the close: the next session CSGP opened -14.2% and closed -1.6%, and five sessions on it stood -1.7%.

Does CSGP stock usually go up after earnings?

CSGP closed higher after 0 of its last 4 reports. On average it closed -6.4% the session after a report, after opening -6.9%. Past behavior, not a forecast.

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