The next federal Senate election is scheduled to take place in Brazil on October 4, 2026, in which two-thirds of the Senate’s 81 seats will be contested.
This market will resolve according to the political party that wins the greatest number of seats in the next Brazilian Senate election.
Only seats contested in the next Brazilian Senate election will be considered.
If the result of this election isn't known definitively by June 30, 2027, 11:59 PM ET, the market will resolve to "Other".
This market will resolve based on the result of the election, as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the Brazilian government, specifically the Superior Electoral Court (Tribunal Superior Eleitoral, TSE) (e.g., www.tse.jus.br/eleicoes/resultados-eleicoes).
Frequently asked questions
What are the current odds for Next Brazil Senate Election: Most Seats Won?
The current leading outcome is PL at approximately 84.5%. Probabilities can change as the market updates.
When does this prediction market close?
The currently recorded end time is Oct 4, 2026 07:00. Always check the official Polymarket page for the latest market status.
Where can I trade this market?
This website provides prediction-market data and research only. Use the Polymarket button on this page to view the original market.
⚠ Prediction markets involve substantial risk and may be restricted in your jurisdiction. Odds can change rapidly. This page is informational only; this website does not execute trades or hold user funds.
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