Brazil 2026 presidential election first round (October 4, 2026): Luiz Inácio Lula da Silva (PT) receives more than 37.0% of votes cast (confirmed by Tribunal Superior Eleitoral or Reuters by October 5, 2026)
Pending
✦ AI-generated prediction
Published on 15. September 2026
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Predicted for 4. October 2026
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Based on: Statistical Pattern
Current polls (September 14, 2026, Reuters/Datafolha) show Lula at 38–39%, Bolsonaro at 33–35%. Polymarket trades the Brazilian presidential event at $149.8M volume — strong liquidity signals Lula as clear favorite for the runoff (November 1, 2026, already captured in an existing prediction). The 37% threshold is just below the poll mean, allowing for ±3pp historical Brazilian polling error. A runoff is near-certain since no candidate is expected to exceed 50%. Risk: Bolsonaro mobilization or third-candidate fragmentation could push Lula below 37%.
Data basis for this prediction
- Polymarket Brazil Presidential Election: 149,8 Mio. USD Volumen, Lula führend (14. Sept. 2026)
- Datafolha/Reuters: Lula 38–39%, Bolsonaro 33–35% (September 2026)
- TSE: Erster Wahlgang 4. Oktober 2026 bestätigt
- Historischer Polling-Fehler Brasilien: ±3pp (Datafolha-Methodologie)
Verdict: Pending
This prediction is still open. It will be evaluated automatically against real-world sources after its due date.
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