Flavio Bolsonaro's position as the Liberal Party nominee and sitting senator from Rio de Janeiro anchors trader consensus for first place in the state's first-round presidential vote. Local polls conducted in July and August 2026, including Datafolha and Quaest surveys of Rio voters, show him leading or tied with incumbent President Lula within the margin of error, with Flavio often at 32-41% and Lula at 30-37%. This regional edge reflects Flavio's established voter base in a state where his father previously performed strongly, contrasting with national aggregates where Lula maintains a broader lead. Other candidates such as Ronaldo Caiado, Romeu Zema, and Renan Santos register in single digits or lower in Rio-specific testing. With the first round scheduled for October 4, 2026, these state-level results and Flavio's home-state incumbency remain the primary drivers of current implied probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedFlavio Bolsonaro 84%
Lula 15%
Edmilson Costa <1%
Hertz Dias <1%
$12,978 Vol.
$12,978 Vol.
Oct 4, 2026
Flavio Bolsonaro
84%
Lula
15%
Edmilson Costa
<1%
Hertz Dias
<1%
Pablo Marçal
<1%
Renan Santos
<1%
Ronaldo Caiado
<1%
Veterinário Wilson Grassi
<1%
Zema
<1%
Clariana Barao
<1%
Escritor Augusto Cury
<1%
Rui Costa Pimenta
<1%
Samara
<1%
Flavio Bolsonaro 84%
Lula 15%
Edmilson Costa <1%
Hertz Dias <1%
$12,978 Vol.
$12,978 Vol.
Oct 4, 2026
Flavio Bolsonaro
$4,746 Vol.
84%
Lula
$2,764 Vol.
15%
Edmilson Costa
$453 Vol.
<1%
Hertz Dias
$373 Vol.
<1%
Pablo Marçal
$625 Vol.
<1%
Renan Santos
$747 Vol.
<1%
Ronaldo Caiado
$639 Vol.
<1%
Veterinário Wilson Grassi
$567 Vol.
<1%
Zema
$373 Vol.
<1%
Clariana Barao
$375 Vol.
<1%
Escritor Augusto Cury
$453 Vol.
<1%
Rui Costa Pimenta
$431 Vol.
<1%
Samara
$433 Vol.
<1%
A presidential election is scheduled to take place in Rio de Janeiro, Brazil on October 4, 2026.
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).Flavio Bolsonaro's position as the Liberal Party nominee and sitting senator from Rio de Janeiro anchors trader consensus for first place in the state's first-round presidential vote. Local polls conducted in July and August 2026, including Datafolha and Quaest surveys of Rio voters, show him leading or tied with incumbent President Lula within the margin of error, with Flavio often at 32-41% and Lula at 30-37%. This regional edge reflects Flavio's established voter base in a state where his father previously performed strongly, contrasting with national aggregates where Lula maintains a broader lead. Other candidates such as Ronaldo Caiado, Romeu Zema, and Renan Santos register in single digits or lower in Rio-specific testing. With the first round scheduled for October 4, 2026, these state-level results and Flavio's home-state incumbency remain the primary drivers of current implied probabilities.
A presidential election is scheduled to take place in Rio de Janeiro, Brazil on October 4, 2026.
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).
Market Opened: Aug 17, 2026, 6:34 AM ET
Volume
$12,978End Date
Oct 4, 2026Market Opened
Aug 17, 2026, 6:34 AM ETResolver
0x69c47De9D...A presidential election is scheduled to take place in Rio de Janeiro, Brazil on October 4, 2026.
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).Flavio Bolsonaro's position as the Liberal Party nominee and sitting senator from Rio de Janeiro anchors trader consensus for first place in the state's first-round presidential vote. Local polls conducted in July and August 2026, including Datafolha and Quaest surveys of Rio voters, show him leading or tied with incumbent President Lula within the margin of error, with Flavio often at 32-41% and Lula at 30-37%. This regional edge reflects Flavio's established voter base in a state where his father previously performed strongly, contrasting with national aggregates where Lula maintains a broader lead. Other candidates such as Ronaldo Caiado, Romeu Zema, and Renan Santos register in single digits or lower in Rio-specific testing. With the first round scheduled for October 4, 2026, these state-level results and Flavio's home-state incumbency remain the primary drivers of current implied probabilities.
A presidential election is scheduled to take place in Rio de Janeiro, Brazil on October 4, 2026.
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).
This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election from Rio de Janeiro.
Candidates will be primarily ranked by order of valid votes won in Rio de Janeiro. 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 highest finishing position after applying this ranking.
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., https://dadosabertos.tse.jus.br/).
Volume
$12,978End Date
Oct 4, 2026Market Opened
Aug 17, 2026, 6:34 AM ETResolver
0x69c47De9D...Flavio Bolsonaro's position as the Liberal Party nominee and sitting senator from Rio de Janeiro anchors trader consensus for first place in the state's first-round presidential vote. Local polls conducted in July and August 2026, including Datafolha and Quaest surveys of Rio voters, show him leading or tied with incumbent President Lula within the margin of error, with Flavio often at 32-41% and Lula at 30-37%. This regional edge reflects Flavio's established voter base in a state where his father previously performed strongly, contrasting with national aggregates where Lula maintains a broader lead. Other candidates such as Ronaldo Caiado, Romeu Zema, and Renan Santos register in single digits or lower in Rio-specific testing. With the first round scheduled for October 4, 2026, these state-level results and Flavio's home-state incumbency remain the primary drivers of current implied probabilities.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · Updated
Beware of external links.
Beware of external links.
Frequently Asked Questions