**Lula da Silva (PT) and Flávio Bolsonaro (PL) remain the clear frontrunners to advance from Brazil’s October 4 first round, with recent polling showing them consistently ahead of the fragmented field.** Lula holds first-round support in the high 30s to low 40s percent, while Flávio trails in the mid-30s, a gap that has narrowed since July amid tightening runoff simulations that now often fall within the margin of error. Other candidates—including Ronaldo Caiado (PSD), Renan Santos (Missão), and Romeu Zema (Novo)—register only 3–5 percent nationally and show no path to displace the leaders. The race has tightened following the official campaign launch on August 16, the start of free television and radio advertising on August 28, and regional polling patterns that highlight Lula’s Northeast strength offset by Flávio’s gains elsewhere. With Jair Bolsonaro’s endorsement consolidating right-wing support behind his son and low undecided or swing-voter movement reported, the top-two outcome appears stable heading into September debates and the final weeks of the campaign.
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?
Which candidates will advance to Brazil's presidential runoff?
$527,274 Vol.
Oct 3, 2026
Luiz Inácio Lula da Silva
97%
Flavio Bolsonaro
94%
Renan Santos
4%
Ronaldo Caiado
1%
Tarcisio de Frietas
1%
Romeu Zema
1%
Michelle Bolsonaro
1%
Jair Bolsonaro
1%
Fernando Haddad
1%
$527,274 Vol.
Luiz Inácio Lula da Silva
$231,178 Vol.
97%
Flavio Bolsonaro
$72,361 Vol.
94%
Renan Santos
$21,603 Vol.
4%
Ronaldo Caiado
$698 Vol.
1%
Tarcisio de Frietas
$83,814 Vol.
1%
Romeu Zema
$1,371 Vol.
1%
Michelle Bolsonaro
$34,866 Vol.
1%
Jair Bolsonaro
$15,639 Vol.
1%
Fernando Haddad
$65,745 Vol.
1%
General elections are scheduled to take place in Brazil on October 4, 2026. If no candidate wins outright in the first round, the top two candidates proceed to a runoff.
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/).**Lula da Silva (PT) and Flávio Bolsonaro (PL) remain the clear frontrunners to advance from Brazil’s October 4 first round, with recent polling showing them consistently ahead of the fragmented field.** Lula holds first-round support in the high 30s to low 40s percent, while Flávio trails in the mid-30s, a gap that has narrowed since July amid tightening runoff simulations that now often fall within the margin of error. Other candidates—including Ronaldo Caiado (PSD), Renan Santos (Missão), and Romeu Zema (Novo)—register only 3–5 percent nationally and show no path to displace the leaders. The race has tightened following the official campaign launch on August 16, the start of free television and radio advertising on August 28, and regional polling patterns that highlight Lula’s Northeast strength offset by Flávio’s gains elsewhere. With Jair Bolsonaro’s endorsement consolidating right-wing support behind his son and low undecided or swing-voter movement reported, the top-two outcome appears stable heading into September debates and the final weeks of the campaign.
General elections are scheduled to take place in Brazil on October 4, 2026. If no candidate wins outright in the first round, the top two candidates proceed to a runoff.
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/).
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: Sep 18, 2025, 1:53 PM ET
Volume
$527,274End Date
Oct 4, 2026Market Opened
Sep 18, 2025, 1:53 PM ETResolver
0x65070BE91...General elections are scheduled to take place in Brazil on October 4, 2026. If no candidate wins outright in the first round, the top two candidates proceed to a runoff.
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/).**Lula da Silva (PT) and Flávio Bolsonaro (PL) remain the clear frontrunners to advance from Brazil’s October 4 first round, with recent polling showing them consistently ahead of the fragmented field.** Lula holds first-round support in the high 30s to low 40s percent, while Flávio trails in the mid-30s, a gap that has narrowed since July amid tightening runoff simulations that now often fall within the margin of error. Other candidates—including Ronaldo Caiado (PSD), Renan Santos (Missão), and Romeu Zema (Novo)—register only 3–5 percent nationally and show no path to displace the leaders. The race has tightened following the official campaign launch on August 16, the start of free television and radio advertising on August 28, and regional polling patterns that highlight Lula’s Northeast strength offset by Flávio’s gains elsewhere. With Jair Bolsonaro’s endorsement consolidating right-wing support behind his son and low undecided or swing-voter movement reported, the top-two outcome appears stable heading into September debates and the final weeks of the campaign.
General elections are scheduled to take place in Brazil on October 4, 2026. If no candidate wins outright in the first round, the top two candidates proceed to a runoff.
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/).
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/).
Volume
$527,274End Date
Oct 4, 2026Market Opened
Sep 18, 2025, 1:53 PM ETResolver
0x65070BE91...**Lula da Silva (PT) and Flávio Bolsonaro (PL) remain the clear frontrunners to advance from Brazil’s October 4 first round, with recent polling showing them consistently ahead of the fragmented field.** Lula holds first-round support in the high 30s to low 40s percent, while Flávio trails in the mid-30s, a gap that has narrowed since July amid tightening runoff simulations that now often fall within the margin of error. Other candidates—including Ronaldo Caiado (PSD), Renan Santos (Missão), and Romeu Zema (Novo)—register only 3–5 percent nationally and show no path to displace the leaders. The race has tightened following the official campaign launch on August 16, the start of free television and radio advertising on August 28, and regional polling patterns that highlight Lula’s Northeast strength offset by Flávio’s gains elsewhere. With Jair Bolsonaro’s endorsement consolidating right-wing support behind his son and low undecided or swing-voter movement reported, the top-two outcome appears stable heading into September debates and the final weeks of the campaign.
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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