PTCT earnings date, and what happened the last 4 times

Next report

Thu Oct 29

Quality Score today -5

After the close, in 3 days. Confirmed by the company.

PTCT closed higher after 3 of its last 4 reports. On average it closed +2.9% the session after a report.

The moment PTCT 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 PTCT's last 4 reports

PTCT's last 4 earnings reports
Reported	Score going in	Gap	Reaction	5 sessions
Jul 30, 20262026 · After close	-1estimated	-6.1%	-9.9%	-6.2%
May 7, 20262026 · After close	-1estimated	+14.9%	+14.3%	+12.8%
Feb 19, 20262026 · After close	11estimated	-2.1%	+1.1%	-2.6%
Nov 4, 20252025 · After close	20estimated	+3.4%	+6.0%	+9.0%

Jul 30, 2026, after the close: the next session PTCT opened -6.1% and closed -9.9%, and five sessions on it stood -6.2%. Its Quality Score going in was -1 (Poor), estimated.
May 7, 2026, after the close: the next session PTCT opened +14.9% and closed +14.3%, and five sessions on it stood +12.8%. Its Quality Score going in was -1 (Poor), estimated.
Feb 19, 2026, after the close: the next session PTCT opened -2.1% and closed +1.1%, and five sessions on it stood -2.6%. Its Quality Score going in was 11 (Above Average), estimated.
Nov 4, 2025, after the close: the next session PTCT opened +3.4% and closed +6.0%, and five sessions on it stood +9.0%. Its Quality Score going in was 20 (Exceptional), estimated.

Across these 4 reports PTCT opened higher after 2 of 4 and closed higher after 3 of 4; on average it opened +2.5%, closed +2.9%, and stood +3.3% five sessions on. Its Quality Score is -5 today, against -1 going into its Jul 30, 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: +14.3% after the May 7, 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 PTCT's earnings

As of Oct 26, 2026: PTC Therapeutics (PTCT): reports Thu Oct 29, after the close. PTCT closed higher after 3 of its last 4 reports. Its Quality Score is -5 (Poor). Scores as of 11:11 PM ET, 15 minutes behind.

When is PTCT's next earnings date?

Reports Thu Oct 29, after the close, a date the company confirmed. PTCT closed higher after 3 of its last 4 reports. Past behavior, not a forecast.

Does PTCT report before or after the market?

PTCT reports Thu Oct 29, after the close. Its last 4 reports came after the close.

How did PTCT stock react to its last earnings report?

Jul 30, 2026, after the close: the next session PTCT opened -6.1% and closed -9.9%, and five sessions on it stood -6.2%.

Does PTCT stock usually go up after earnings?

PTCT closed higher after 3 of its last 4 reports. On average it closed +2.9% the session after a report, after opening +2.5%. Past behavior, not a forecast.

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