Recent polling from institutes such as Paraná Pesquisas and Real Time MT shows ex-governor Mauro Mendes (União Brasil) maintaining a clear lead for one Senate seat in Mato Grosso, with Janaina Riva (MDB) consistently registering as the second-most mentioned name at roughly 30 percent in stimulated scenarios. Riva’s positioning stems from her MDB-PL alliance backing Wellington Fagundes’s gubernatorial bid, her record as a three-term state deputy and former assembly president, and emphasis on health, education, and women’s issues. Ten candidates compete for the two seats on October 4, yet voter indecision remains above 50 percent in spontaneous surveys, keeping lower-polling names such as José Medeiros, Carlos Fávaro, and Pedro Taques further behind. Trader pricing reflects these patterns, with Riva priced highest for second place while others trail significantly.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedJanaina Riva 76%
Mauro Mendes 18%
Jose Medeiros 4.5%
Pedro Taques 2.6%
$23,410 Vol.
$23,410 Vol.
Oct 4, 2026
Janaina Riva
76%
Mauro Mendes
18%
Jose Medeiros
5%
Pedro Taques
3%
Fávaro
2%
Margareth Buzetti
<1%
Professor Nelson Ferreira
<1%
Coronel Darwin
<1%
Galvan
<1%
Beny Godoy
<1%
Janaina Riva 76%
Mauro Mendes 18%
Jose Medeiros 4.5%
Pedro Taques 2.6%
$23,410 Vol.
$23,410 Vol.
Oct 4, 2026
Janaina Riva
$12,802 Vol.
76%
Mauro Mendes
$6,281 Vol.
18%
Jose Medeiros
$601 Vol.
5%
Pedro Taques
$634 Vol.
3%
Fávaro
$542 Vol.
2%
Margareth Buzetti
$495 Vol.
<1%
Professor Nelson Ferreira
$491 Vol.
<1%
Coronel Darwin
$491 Vol.
<1%
Galvan
$570 Vol.
<1%
Beny Godoy
$502 Vol.
<1%
The Brazilian Federal Senate election for Mato Grosso is scheduled to take place on October 4, 2026.
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).Recent polling from institutes such as Paraná Pesquisas and Real Time MT shows ex-governor Mauro Mendes (União Brasil) maintaining a clear lead for one Senate seat in Mato Grosso, with Janaina Riva (MDB) consistently registering as the second-most mentioned name at roughly 30 percent in stimulated scenarios. Riva’s positioning stems from her MDB-PL alliance backing Wellington Fagundes’s gubernatorial bid, her record as a three-term state deputy and former assembly president, and emphasis on health, education, and women’s issues. Ten candidates compete for the two seats on October 4, yet voter indecision remains above 50 percent in spontaneous surveys, keeping lower-polling names such as José Medeiros, Carlos Fávaro, and Pedro Taques further behind. Trader pricing reflects these patterns, with Riva priced highest for second place while others trail significantly.
The Brazilian Federal Senate election for Mato Grosso is scheduled to take place on October 4, 2026.
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).
Market Opened: Aug 17, 2026, 6:03 AM ET
Volume
$23,410End Date
Oct 4, 2026Market Opened
Aug 17, 2026, 6:03 AM ETResolver
0x69c47De9D...The Brazilian Federal Senate election for Mato Grosso is scheduled to take place on October 4, 2026.
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).Recent polling from institutes such as Paraná Pesquisas and Real Time MT shows ex-governor Mauro Mendes (União Brasil) maintaining a clear lead for one Senate seat in Mato Grosso, with Janaina Riva (MDB) consistently registering as the second-most mentioned name at roughly 30 percent in stimulated scenarios. Riva’s positioning stems from her MDB-PL alliance backing Wellington Fagundes’s gubernatorial bid, her record as a three-term state deputy and former assembly president, and emphasis on health, education, and women’s issues. Ten candidates compete for the two seats on October 4, yet voter indecision remains above 50 percent in spontaneous surveys, keeping lower-polling names such as José Medeiros, Carlos Fávaro, and Pedro Taques further behind. Trader pricing reflects these patterns, with Riva priced highest for second place while others trail significantly.
The Brazilian Federal Senate election for Mato Grosso is scheduled to take place on October 4, 2026.
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).
This market will resolve according to the candidate who wins the second-most valid votes of any candidate at the specified election.
Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the second-highest finishing position after applying this ranking.
If the result of this election isn't definitively known 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).
Volume
$23,410End Date
Oct 4, 2026Market Opened
Aug 17, 2026, 6:03 AM ETResolver
0x69c47De9D...Recent polling from institutes such as Paraná Pesquisas and Real Time MT shows ex-governor Mauro Mendes (União Brasil) maintaining a clear lead for one Senate seat in Mato Grosso, with Janaina Riva (MDB) consistently registering as the second-most mentioned name at roughly 30 percent in stimulated scenarios. Riva’s positioning stems from her MDB-PL alliance backing Wellington Fagundes’s gubernatorial bid, her record as a three-term state deputy and former assembly president, and emphasis on health, education, and women’s issues. Ten candidates compete for the two seats on October 4, yet voter indecision remains above 50 percent in spontaneous surveys, keeping lower-polling names such as José Medeiros, Carlos Fávaro, and Pedro Taques further behind. Trader pricing reflects these patterns, with Riva priced highest for second place while others trail significantly.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
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