TAC earnings date, and what happened the last 4 times

Next report

Tue Nov 3

Quality Score today 1

Before the open, in 8 days. Confirmed by the company.

TAC closed higher after 2 of its last 4 reports. On average it closed -1.8% the session after a report.

The moment TAC 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 TAC's last 4 reports

TAC's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 31, 20262026 · Before open	4estimated	+0.2%	-2.8%	-3.0%
May 6, 20262026 · Before open	1estimated	+0.9%	+1.5%	-0.2%
Feb 27, 20262026 · Before open	4estimated	+2.2%	+5.5%	+2.0%
Nov 6, 20252025 · Before open	12estimated	-18.1%	-11.4%	-9.5%

Jul 31, 2026, before the open: that session TAC opened +0.2% and closed -2.8%, and five sessions on it stood -3.0%. Its Quality Score going in was 4 (Below Average), estimated.
May 6, 2026, before the open: that session TAC opened +0.9% and closed +1.5%, and five sessions on it stood -0.2%. Its Quality Score going in was 1 (Below Average), estimated.
Feb 27, 2026, before the open: that session TAC opened +2.2% and closed +5.5%, and five sessions on it stood +2.0%. Its Quality Score going in was 4 (Below Average), estimated.
Nov 6, 2025, before the open: that session TAC opened -18.1% and closed -11.4%, and five sessions on it stood -9.5%. Its Quality Score going in was 12 (Above Average), estimated.

Across these 4 reports TAC opened higher after 3 of 4 and closed higher after 2 of 4; on average it opened -3.7%, closed -1.8%, and stood -2.7% five sessions on. Its Quality Score is 1 today, against 4 going into its Jul 31, 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: -11.4% after the Nov 6, 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.

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Questions about TAC's earnings

As of Oct 26, 2026: TransAlta (TAC): reports Tue Nov 3, before the open. TAC closed higher after 2 of its last 4 reports. Its Quality Score is 1 (Below Average). Scores as of 10:16 PM ET, 15 minutes behind.

When is TAC's next earnings date?

Reports Tue Nov 3, before the open, a date the company confirmed. TAC closed higher after 2 of its last 4 reports. Past behavior, not a forecast.

Does TAC report before or after the market?

TAC reports Tue Nov 3, before the open. Its last 4 reports came before the open.

How did TAC stock react to its last earnings report?

Jul 31, 2026, before the open: that session TAC opened +0.2% and closed -2.8%, and five sessions on it stood -3.0%.

Does TAC stock usually go up after earnings?

TAC closed higher after 2 of its last 4 reports. On average it closed -1.8% the session after a report, after opening -3.7%. Past behavior, not a forecast.

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