ZLAB earnings date, and what happened the last 4 times

Next report

Thu Nov 5

Quality Score today -1

Before the open, in 10 days. Confirmed by the company.

ZLAB closed higher after 2 of its last 4 reports. On average it closed +0.7% the session after a report.

The moment ZLAB 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 ZLAB 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 ZLAB's last 4 reports

ZLAB's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Aug 6, 20262026 · Before open	-3estimated	+3.7%	+13.7%	+38.8%
May 7, 20262026 · Before open	-2estimated	-2.3%	-5.9%	-2.6%
Feb 26, 20262026 · Before open	0estimated	-3.0%	+1.6%	-0.6%
Nov 6, 20252025 · Before open	-1estimated	-6.6%	-6.7%	-11.8%

Aug 6, 2026, before the open: that session ZLAB opened +3.7% and closed +13.7%, and five sessions on it stood +38.8%. Its Quality Score going in was -3 (Poor), estimated.
May 7, 2026, before the open: that session ZLAB opened -2.3% and closed -5.9%, and five sessions on it stood -2.6%. Its Quality Score going in was -2 (Poor), estimated.
Feb 26, 2026, before the open: that session ZLAB opened -3.0% and closed +1.6%, and five sessions on it stood -0.6%. Its Quality Score going in was 0 (Below Average), estimated.
Nov 6, 2025, before the open: that session ZLAB opened -6.6% and closed -6.7%, and five sessions on it stood -11.8%. Its Quality Score going in was -1 (Poor), estimated.

Across these 4 reports ZLAB opened higher after 1 of 4 and closed higher after 2 of 4; on average it opened -2.1%, closed +0.7%, and stood +6.0% five sessions on. Its Quality Score is -1 today, against -3 going into its Aug 6, 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: +13.7% after the Aug 6, 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 ZLAB'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 ZLAB's earnings

As of Oct 26, 2026: Zai Lab (ZLAB): reports Thu Nov 5, before the open. ZLAB closed higher after 2 of its last 4 reports. Its Quality Score is -1 (Poor). Scores as of 10:16 PM ET, 15 minutes behind.

When is ZLAB's next earnings date?

Reports Thu Nov 5, before the open, a date the company confirmed. ZLAB closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does ZLAB report before or after the market?

ZLAB reports Thu Nov 5, before the open. Its last 4 reports came before the open.

How did ZLAB stock react to its last earnings report?

Aug 6, 2026, before the open: that session ZLAB opened +3.7% and closed +13.7%, and five sessions on it stood +38.8%.

Does ZLAB stock usually go up after earnings?

ZLAB closed higher after 2 of its last 4 reports. On average it closed +0.7% the session after a report, after opening -2.1%. Past behavior, not a forecast.

Zai Lab's page has its Quality Score, its chart, and its insiders' trades. Everyone reporting beside it: next week's earnings.