Recent polling consistently positions incumbent President Luiz Inácio Lula da Silva ahead in first-round voting intentions for the October 4 election, typically in the high 30s to low 40s percent range, while Senator Flavio Bolsonaro trails in the low to mid-30s. Multiple surveys show no candidate reaching the 50 percent threshold needed to avoid a runoff on October 25, making advancement by these two frontrunners the most probable outcome according to current data. Head-to-head runoff simulations remain statistically tied or within margins of error, reflecting a competitive contest shaped by undecided voters, third-place support for candidates such as Augusto Cury, economic conditions, and campaign dynamics in the final weeks. Legal and institutional proceedings around eligibility and court matters add further uncertainty to final voter alignments.
Experimental AI-generated summary referencing Polymarket data. This is not trading advice and plays no role in how this market resolves. · UpdatedWhich candidates will advance to Brazil's presidential runoff?
$621,892 Vol.

Luiz Inácio Lula da Silva
96%

Flavio Bolsonaro
96%

Renan Santos
2%

Michelle Bolsonaro
1%

Ronaldo Caiado
1%

Jair Bolsonaro
1%

Tarcisio de Frietas
1%

Romeu Zema
1%

Fernando Haddad
1%
$621,892 Vol.

Luiz Inácio Lula da Silva
96%

Flavio Bolsonaro
96%

Renan Santos
2%

Michelle Bolsonaro
1%

Ronaldo Caiado
1%

Jair Bolsonaro
1%

Tarcisio de Frietas
1%

Romeu Zema
1%

Fernando Haddad
1%
This market will resolve to "Yes" if the listed candidate advances to Brazil's presidential runoff election or otherwise wins outright in the first round. Otherwise, this market will resolve to "No".
If the president is decided in the first round of the election but the listed candidate is not the winner or the result of this election isn't known definitively by June 30, 2027, 11:59 PM ET, the market will resolve to "No".
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: Jun 18, 2026, 9:51 PM ET
Resolver
0x65070BE91...This market will resolve to "Yes" if the listed candidate advances to Brazil's presidential runoff election or otherwise wins outright in the first round. Otherwise, this market will resolve to "No".
If the president is decided in the first round of the election but the listed candidate is not the winner or the result of this election isn't known definitively by June 30, 2027, 11:59 PM ET, the market will resolve to "No".
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
0x65070BE91...Recent polling consistently positions incumbent President Luiz Inácio Lula da Silva ahead in first-round voting intentions for the October 4 election, typically in the high 30s to low 40s percent range, while Senator Flavio Bolsonaro trails in the low to mid-30s. Multiple surveys show no candidate reaching the 50 percent threshold needed to avoid a runoff on October 25, making advancement by these two frontrunners the most probable outcome according to current data. Head-to-head runoff simulations remain statistically tied or within margins of error, reflecting a competitive contest shaped by undecided voters, third-place support for candidates such as Augusto Cury, economic conditions, and campaign dynamics in the final weeks. Legal and institutional proceedings around eligibility and court matters add further uncertainty to final voter alignments.
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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