Incumbent President Luiz Inácio Lula da Silva holds a slim lead over Senator Flávio Bolsonaro in trader consensus for Brazil's October 4, 2026, first-round presidential vote, mirroring recent polls like Ideia Inteligência's April 3–7 survey showing Lula at 40.4% and Flávio at 37%, with runoffs in technical ties. Late March polls from Paraná Pesquisas, Nexus, and AtlasIntel similarly depict narrowed gaps of 1–5 points amid declining undecideds around 10%, reflecting Lula's incumbency edge and rising popularity against Flávio's surge via the enduring Bolsonaro brand among conservatives. The race stays tight due to polarization and minimal third-party traction, including Renan Santos at low single digits; economic indicators, party mobilizations, or scandals could mobilize undecideds and determine runoff prospects.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedLuiz Inácio Lula da Silva 41%
Flávio Bolsonaro 36.4%
Renan Santos 6.7%
Fernando Haddad 4.6%
$47,407,765 Vol.
$47,407,765 Vol.

Luiz Inácio Lula da Silva
41%

Flávio Bolsonaro
36%

Renan Santos
7%

Fernando Haddad
5%

Ronaldo Caiado
2%

Camilo Santana
2%

Romeu Zema
2%

Geraldo Alckmin
1%

Jair Bolsonaro
1%

Michelle Bolsonaro
<1%

Eduardo Bolsonaro
<1%

Aldo Rebelo
<1%

Tarcisio de Freitas
<1%

Ratinho Júnior
<1%

Eduardo Leite
<1%
Luiz Inácio Lula da Silva 41%
Flávio Bolsonaro 36.4%
Renan Santos 6.7%
Fernando Haddad 4.6%
$47,407,765 Vol.
$47,407,765 Vol.

Luiz Inácio Lula da Silva
41%

Flávio Bolsonaro
36%

Renan Santos
7%

Fernando Haddad
5%

Ronaldo Caiado
2%

Camilo Santana
2%

Romeu Zema
2%

Geraldo Alckmin
1%

Jair Bolsonaro
1%

Michelle Bolsonaro
<1%

Eduardo Bolsonaro
<1%

Aldo Rebelo
<1%

Tarcisio de Freitas
<1%

Ratinho Júnior
<1%

Eduardo Leite
<1%
This market will resolve according to the listed candidate that wins this election.
This market includes any potential second round. If the result of this election isn't 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., https://dadosabertos.tse.jus.br/).
Market Opened: Sep 18, 2025, 4:02 PM ET
Resolver
0x2F5e3684c...This market will resolve according to the listed candidate that wins this election.
This market includes any potential second round. If the result of this election isn't 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., https://dadosabertos.tse.jus.br/).
Resolver
0x2F5e3684c...Incumbent President Luiz Inácio Lula da Silva holds a slim lead over Senator Flávio Bolsonaro in trader consensus for Brazil's October 4, 2026, first-round presidential vote, mirroring recent polls like Ideia Inteligência's April 3–7 survey showing Lula at 40.4% and Flávio at 37%, with runoffs in technical ties. Late March polls from Paraná Pesquisas, Nexus, and AtlasIntel similarly depict narrowed gaps of 1–5 points amid declining undecideds around 10%, reflecting Lula's incumbency edge and rising popularity against Flávio's surge via the enduring Bolsonaro brand among conservatives. The race stays tight due to polarization and minimal third-party traction, including Renan Santos at low single digits; economic indicators, party mobilizations, or scandals could mobilize undecideds and determine runoff prospects.
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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