Recent polls for Brazil's October 4, 2026, presidential election first round consistently position President Luiz Inácio Lula da Silva ahead at 37-47% and Senator Flávio Bolsonaro second at 30-40%, driving trader consensus to price Flávio at 65% implied probability for second place amid a fragmented right-wing field where Romeu Zema, Ronaldo Caiado, and Renan Santos poll under 6%. Lula's 20% odds reflect the risk of him slipping to second if Flávio surges, as seen in tighter margins in AtlasIntel (April 22-27: Lula 47%, Flávio 40%) and BTG Pactual/Nexus (April 24-26: Lula 41%, Flávio 36-38%) surveys. Flávio's rise stems from Jair Bolsonaro's endorsement and opposition consolidation, with no major shifts in the past week. Runoff likely absent a 50%+1 first-round winner.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedFlávio Bolsonaro 66%
Luiz Inácio Lula da Silva 20%
Renan Santos 5.0%
Fernando Haddad 4.6%
$3,432,967 Vol.
$3,432,967 Vol.

Flávio Bolsonaro
66%

Luiz Inácio Lula da Silva
20%

Renan Santos
5%

Fernando Haddad
5%

Romeu Zema
2%

Camilo Santana
1%

Geraldo Alckmin
1%

Ronaldo Caiado
1%

Jair Bolsonaro
<1%

Ratinho Júnior
<1%

Eduardo Bolsonaro
<1%

Aldo Rebelo
<1%

Tarcisio de Freitas
<1%

Michelle Bolsonaro
<1%

Eduardo Leite
<1%
Flávio Bolsonaro 66%
Luiz Inácio Lula da Silva 20%
Renan Santos 5.0%
Fernando Haddad 4.6%
$3,432,967 Vol.
$3,432,967 Vol.

Flávio Bolsonaro
66%

Luiz Inácio Lula da Silva
20%

Renan Santos
5%

Fernando Haddad
5%

Romeu Zema
2%

Camilo Santana
1%

Geraldo Alckmin
1%

Ronaldo Caiado
1%

Jair Bolsonaro
<1%

Ratinho Júnior
<1%

Eduardo Bolsonaro
<1%

Aldo Rebelo
<1%

Tarcisio de Freitas
<1%

Michelle Bolsonaro
<1%

Eduardo Leite
<1%
This market will resolve according to the listed candidate who receives the second-most valid votes in the first round of this election.
The named candidates will be primarily ranked by the number of valid votes received in the specified election. If two or more candidates are tied on valid votes, ties will be broken by alphabetical order of the candidates' last names. 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 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: Feb 11, 2026, 5:47 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the listed candidate who receives the second-most valid votes in the first round of this election.
The named candidates will be primarily ranked by the number of valid votes received in the specified election. If two or more candidates are tied on valid votes, ties will be broken by alphabetical order of the candidates' last names. 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 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/).
Resolver
0x2F5e3684c...Recent polls for Brazil's October 4, 2026, presidential election first round consistently position President Luiz Inácio Lula da Silva ahead at 37-47% and Senator Flávio Bolsonaro second at 30-40%, driving trader consensus to price Flávio at 65% implied probability for second place amid a fragmented right-wing field where Romeu Zema, Ronaldo Caiado, and Renan Santos poll under 6%. Lula's 20% odds reflect the risk of him slipping to second if Flávio surges, as seen in tighter margins in AtlasIntel (April 22-27: Lula 47%, Flávio 40%) and BTG Pactual/Nexus (April 24-26: Lula 41%, Flávio 36-38%) surveys. Flávio's rise stems from Jair Bolsonaro's endorsement and opposition consolidation, with no major shifts in the past week. Runoff likely absent a 50%+1 first-round winner.
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