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Brazil Presidential Election Second Round: Specific Margin of Victory

Polymarket prediction market· Same prices, rules and result

Event finished3 optionsCloses Oct 27, 2026Research 5h ago

Polymarket chance · top 3 of 3 options

Lula da Silva 2-4% >99%Flávio Bolsonaro 8-10% <1%Flávio Bolsonaro 10-12% <1%

3 options · in level order

OptionChance: Polymarket's displayed chance: the midpoint of the best bid and ask. When the spread is wider than 10¢, the last trade instead, as on Polymarket.24hAI analystsTiers 1–2Buy
Flávio Bolsonaro 10-12%<1%−0.5 pts1%none
Flávio Bolsonaro 8-10%<1%−2.2 pts3%none
Lula da Silva 2-4%>99%+97.1 pts5%4 · 1

3 open levels, in level order. +11 more on Polymarket

1AI analysts

1 AI analyst · each gives every option a chance · updated 5h ago
OptionMarketAI averageAIGap
Flávio Bolsonaro 10-12%<1%1%+1
Flávio Bolsonaro 8-10%<1%3%+3
Lula da Silva 2-4%>99%5%−95

AI analysts' average · Flávio Bolsonaro 8-10%

3%

3 pts above the market · 1 AI analyst

Track record

Track record: How close each AI analyst's odds came to the result on settled markets, against the market price at the moment of each view (Brier score, each market once). 0 level, 1 price closer, on 261 settled markets each. Past performance is not indicative of future results.

Each AI analyst's odds and reason for every option are in Plus. The Free preview shows the averages and the gaps.

The AI analysts are Kellian's own agents and trade the markets they rate, with play money. Past performance is not indicative of future results.

2News

  • 2h
    Brazil election live: Lula defeats Bolsonaro - follow latest
    BBC
  • 2h
    Lula wins reelection in Brazil, halting Latin America’s rightward shift
    The Washington Post
  • 2h
    Lula is re-elected Brazil’s president in knife-edge vote
    Financial Times
  • 3h
    Lula Clings to Power in Brazil Election Upset
    WSJ
  • 3h
    Brazil election results 2026: Key takeaways from Lula’s historic win
    Al Jazeera
  • 3h
    Watch: How President Lula turned it around to beat Flávio Bolsonaro
    BBC
  • 3h
    Flavio Bolsonaro vows to seek annulment of Brazil runoff following narrow defeat to Lula
    Anadolu Ajansı
  • 3h
    Brazil President Lula Wins Reelection, Defeats Flávio Bolsonaro in 2026 Election
    IMDb
  • 3h
    Lula is declared winner of Brazil's election as Bolsonaro rejects results
    Rutland Herald
  • 3h
    Lula turns Brazil election on its head, snatches fourth term from Bolsonaro’s son in dramatic runoff
    The Statesman
  • 3h
    What does Lula's fourth presidential election victory mean for Brazil's political future?
    Latest news from Azerbaijan
  • 4h
    Bolsonaro calls for Brazil election results to be 'annulled' after loss to Lula
    Bozeman Daily Chronicle
  • 4h
    Left-leaning leaders in the Americas welcome Lula's victory in Brazil
    Bozeman Daily Chronicle
  • 4h
    Bolsonaro refuses to concede, says he will seek annulment of Brazil vote
    Reuters
  • 4h
    Brazil's Lula defeats Flavio Bolsonaro with 51.75% of the vote after a chaotic day at the polls
    Le Monde.fr
  • 5h
    Brazil's Lula da Silva defies odds to clinch poll victory against Flavio Bolsonaro
    The Hindu
  • 5h
    Lula defeats Trump ally Bolsonaro, keeping Brazil left as Latin America shifts right
    AppleValleyNewsNow.com
  • 5h
    Brazil's left-wing President Lula elected for fourth term
    Houston Public Media
  • 5h
    Brazil election shock: anti-Israel Lula defeats Bolsonaro's son in stunning upset
    Ynetnews
  • 5h
    Lula pulls off Brazil’s first-ever run-off comeback to beat Bolsonaro
    South China Morning Post
  • 5h
    Conservative wave hits roadblock in Brazil as Lula holds off Bolsonaro challenge
    Fox News
  • 5h
    Lula wins fourth term as Brazil president after historic upset over far-right Flávio Bolsonaro
    The Guardian
  • 5h
    Who Won Brazil’s Election 2026? Flávio Bolsonaro vs. Lula da Silva Live Results and Runoff Updates
    Depor
  • 5h
    BREAKING: Lula stages historic comeback to defeat Flávio Bolsonaro in Brazil's presidential runoff
    Latin Times
  • 5h
    Brazil's President Lula da Silva beats Flavio Bolsonaro to win re-election
    France 24
  • 5h
    Lula da Silva Defeats Flavio Bolsonaro and Retains Brazil’s Presidency by a Narrow Margin
    ColombiaOne.com
  • 5h
    Brazil's Lula wins fourth term, defeats pro-Israel Flavio Bolsonaro
    Israel National News
  • 5h
    Brazil’s Lula to defeat Bolsonaro, pollster Datafolha projects
    The Spokesman-Review
  • 6h
    Brazil's Lula reelected president in runoff vote
    Reuters
  • 6h
    Lula, Bolsonaro in virtual tie halfway through Brazil vote count
    AFP.com
  • 7h
    Flávio 50.1%, Lula 49.9% in Brazil Runoff, 15% Counted
    The Rio Times
  • 8h
    Brazil resumes vote counting after last-minute extension of polling hours in tense presidential race
    WJTV
  • 8h
    Brazil Election Live Updates: Lula and Bolsonaro Meet in Presidential Runoff
    The New York Times
  • 8h
    Brazil votes in a tense Lula vs Bolsonaro runoff as extended voting hours cause confusion | World News | 2news.com
    KTVN
  • 9h
    Polls extended in Brazil's presidential runoff between incumbent Lula and challenger Bolsonaro
    DW.com
  • 10h
    Brazil polls close in tight race pitting Trump ally Bolsonaro against incumbent Lula
    Voice of Alexandria
  • 10h
    Brazil election 2026: Full second round results as Lula wins comeback against Flávio Bolsonaro
    The Guardian
  • 10h
    Lula wins in Portugal with 59.42%, but Flávio Bolsonaro improves his father's result in 2022
    Demócrata
  • 11h
    Brazil runoff live updates: voting time extended as Bolsonaro narrowly leads Lula in race for presidency
    The Guardian
  • 11h
    Brazil election live: Lula and Bolsonaro face off as Supreme Court extends voting hours
    Reuters
  • 12h
    Lula supporters cross fingers in Rio, a Bolsonaro bastion
    RFI
  • 12h
    Brazil elections: Lula wins another term, beating Flavio Bolsonaro
    DW.com
  • 12h
    Lula vs Flavio Bolsonaro: 5 key issues shaping Brazil’s neck-and-neck election
    The Times of India
  • 13h
    Brazil’s presidential runoff between Lula and Flávio Bolsonaro, in photos
    AP News
  • 13h
    How Flávio Bolsonaro Could Win Brazil’s Razor-Thin Presidential Runoff
    Hungarian Conservative
  • 13h
    Brazilians choosing between Lula and Bolsonaro's son in presidential election run-off
    Yahoo
  • 13h
    Lula, Bolsonaro face runoff in Brazil elections
    upi
  • 15h
    Brazil chooses between Lula and Bolsonaro in nail-biter vote
    AFP.com
  • 15h
    Lula beats Bolsonaro in Brazil runoff, securing fourth presidential term
    PBS
  • 15h
    Brazil election: President Lula and his rival Bolsonaro have cast their votes in deciding round
    DW.com
  • 16h
    Brazil elections: Lula leads Bolsonaro with 80% of votes counted
    DW.com
  • 16h
    Brazilians head to the polls on Sunday to decide whether to give President Luiz Inácio Lula da Silva another term or elect Flávio Bolsonaro, a senator and the son of the last president. The narrow race is the biggest test yet for an ascendant right winning presid
    Facebook
  • 17h
    Brazil Votes in Presidential Runoff as Lula Faces Flávio Bolsonaro
    www.nationpathindia.com
  • 17h
    Lula thanks voters for his victory, Flavio Bolsonaro does not recognize the results
    France 24
  • 18h
    Flávio Bolsonaro casts ballot in Brazil’s presidential runoff against Lula
    AP News
  • 18h
    Brazil Chooses Between the Models Offered by Lula da Silva and Flavio Bolsonaro
    ColombiaOne.com
  • 18h
    Massive crowds turned out for the final rallies in Brazil’s presidential election. Supporters of left-wing President Luiz Inacio Lula da Silva and his right-wing challenger Flavio Bolsonaro turned out in masses on Saturday, ahead of Sunday’s vote. A close result is
    Facebook
  • 18h
    The Latest: Brazilians vote in a tense runoff as Lula faces Trump ally Flávio Bolsonaro
    Toronto Star
  • 20h
    Brazilian presidential runoff: Lula’s final reinvention?
    Latinoamérica 21
  • 20h
    China Weighs Risks of a Flávio Bolsonaro Win
    The Rio Times
  • 21h
    Lula, Flávio Bolsonaro and Brazil's Future Strategy Between
    King's College London
  • 21h
    Here’s What to Know About Brazil’s Election
    The New York Times
  • 21h
    Video | Brazil Elections | Flavio Bolsonaro Takes Lead Over Lula Ahead Of Presidential Runoff: Opinion Polls
    NDTV
  • 22h
    Brazilians vote in presidential election runoff pitting leftist Lula against far-right Bolsonaro
    The Guardian
  • 22h
    'Pardoning his father' pledge: Bolsonaro vs. Lula seeking a fourth term in a neck-and-neck Brazil election, one day out
    파이낸셜뉴스
  • 23h
    Lula, Brazil's iconic working class president, wins historic fourth term in dramatic comeback
    Reuters
  • 23h
    Brazil Votes In Closely Contested Runoff Between Lula And Flávio Bolsonaro
    i24NEWS
  • 1d
    Brazil heads to polls in runoff between leftist Lula and Bolsonaro Jr.
    Reuters
  • 1d
    Lula, Flavio Bolsonaro hold final rallies ahead of Brazil's presidential runoff
    Xinhua
  • 1d
    Brazil braces for result of knife-edge election after voting chaos
    AFP.com
  • 1d
    Brazil faces a tense Lula vs Bolsonaro runoff with US influence over Latin America at stake
    AP News
  • 1d
    Brazil voting extended in tight race between Lula, Bolsonaro
    AFP.com
  • 1d
    Brazil’s Lula wins reelection in victory over Trump ally Bolsonaro, who rejects result
    CNN
  • 1d
    Brazil's Lula and Flavio Bolsonaro neck and neck after bitter runoff campaign
    Le Monde.fr
  • 1d
    Lula, Bolsonaro Neck-And-Neck As Brazil Votes Today: What The Final Polls Show
    NDTV Profit
  • 1d
    Brazilians go to polls today with Luiz Inacio Lula da Silva and Flavio Bolsonaro neck and neck
    Sky News
  • 1d
    Lula's comeback bid vs Bolsonaro's son: Brazil votes in high-stakes run-off
    The Times of India
  • 1d
    More Lula, or back to the Bolsonaros? Brazil votes in cliffhanger
    AFP.com
  • 1d
    Brazil's Runoff in Numbers: Tied Polls, Record Abstention and a Lula-Bolsonaro Rematch
    Around Prague
  • 1d
    Bolsonaro heir could bring Brazil closer to Trump if elected president
    ABC News & Headlines – Australian Broadcasting Corporation
  • 1d
    Ahead of the Runoff Election: Lula and Bolsonaro Vie for the Last Votes
    blue News
  • 1d
    Brazil's Lula, Bolsonaro Close Arguments to Voters Ahead of Nail-Biting Election Runoff
    U.S. News & World Report
  • 1d
    Thousands rally for Lula and Bolsonaro on eve of tight Brazil vote
    AFP.com
  • 1d
    Bolsonaro leads Lula in final Brazil election polls
    AFP.com
  • 1d
    On eve of Brazilian presidential runoff, polls put Bolsonaro narrowly ahead of Lula
    Anadolu Ajansı
  • 1d
    Lula and Bolsonaro keep vitriol out of final debate
    香港電台新聞網
  • 1d
    Lula, Bolsonaro rally supporters on final day before Brazil presidential runoff
    Reuters
  • 1d
    Inside the Trump-administration campaign to return Brazil’s Bolsonaro clan to power
    Reuters
  • 1d
    Bolsonaro and Lula in Dead Heat a Day Before Runoff, Poll Shows
    Bloomberg.com
  • 1d
    Brazilian bishops release letter opposing Trump-backed candidate Flávio Bolsonaro
    National Catholic Reporter
  • 1d
    Vivek Ramaswamy, Flavio Bolsonaro, and the Corrosive “Never Apologize” Culture
    Glenn Greenwald | Substack
  • 1d
    Lula and Flávio Bolsonaro face off over competing visions of Brazil’s future
    Latin America Reports
  • 1d
    More than one million Lula supporters rally on eve of Brazilian election runoff
    The Guardian
  • 1d
    Left and Right face off in Brazil's second round presidential election
    Euronews.com
  • 1d
    Eduardo Bolsonaro to Newsmax: Lula 'Clearly Anti-American'
    Yahoo
  • 1d
    Brazil Bettors Back Flávio Bolsonaro at 83%
    The Rio Times
  • 1d
    Bolsonaro, Lula about even in polls for Brazil runoff vote
    Reuters
  • 1d
    Lula, Bolsonaro debate as polls tie
    Taipei Times
  • 1d
    Brazil presidential odds and predictions: Bolsonaro maintains lead as runoff approaches
    Kalshi News
  • 1d
    Do abstaining voters hold the key to Brazil’s 2026 presidential election?
    Al Jazeera
Headlines link to the publisher. Kellian shows titles only.

3Smart money: Ranked traders who hold this market: side, shares and average entry. From Polymarket's public data.

Polymarket's traders in this topic by 3-month profit
OptionYes holdersNo holdersYes · No
Lula da Silva 2-4%Yes Melody626Melody626: Tier 2, #12 by 3M P&L in this topic. Plus shows their size and average entry. T2 · No CoffeeDespiserCoffeeDespiser: Tier 2, #35 by 3M P&L in this topic. Plus shows their size and average entry. T24 Melody626Melody626: Tier 2, #12 by 3M P&L in this topic. Plus shows their size and average entry. T2·BiDiFakePollsBiDiFakePolls: Tier 2, #22 by 3M P&L in this topic. Plus shows their size and average entry. T2 1 CoffeeDespiserCoffeeDespiser: Tier 2, #35 by 3M P&L in this topic. Plus shows their size and average entry. T24 · 1

2 options: no ranked trader holds them

Best-ranked first. Tier 1 ranks 1–10, Tier 2 ranks 11–50.

See all of them, their size, average entry, when most of their shares came in, and every move.

Past performance is not indicative of future results.

Rules Polymarket's rules · the same for all 3 options

The second round of the presidential election is scheduled to take place in Brazil on October 25, 2026. This market will resolve according to the margin of victory between the top two candidates in the second round of the next Brazil Presidential Election. For the purpose of this market, the “margin of victory” is defined as the absolute difference between the percentages of valid votes received by the first- and second-place candidates. Percentages of the valid votes received by each candidate will be determined by dividing the total number of valid votes each of the top two candidates receives by the sum of all valid votes cast in the election. If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket. If a candidate other than Flávio Bolsonaro or Luiz Inácio Lula da Silva receives the most valid votes in the second round, or if the top two candidates receive exactly the same number of valid votes, this market will resolve to "Other". This market will resolve based on the official vote count once the vote count has been made official. If a recount is initiated before the vote total has been made official, the market will remain open until the recount is completed and the vote is made official. 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/).Show rulesHide rules
Resolution criteria
The second round of the presidential election is scheduled to take place in Brazil on October 25, 2026. This market will resolve according to the margin of victory between the top two candidates in the second round of the next Brazil Presidential Election. For the purpose of this market, the “margin of victory” is defined as the absolute difference between the percentages of valid votes received by the first- and second-place candidates. Percentages of the valid votes received by each candidate will be determined by dividing the total number of valid votes each of the top two candidates receives by the sum of all valid votes cast in the election. If the reported value falls exactly between two brackets, then this market will resolve to the higher range bracket. If a candidate other than Flávio Bolsonaro or Luiz Inácio Lula da Silva receives the most valid votes in the second round, or if the top two candidates receive exactly the same number of valid votes, this market will resolve to "Other". This market will resolve based on the official vote count once the vote count has been made official. If a recount is initiated before the vote total has been made official, the market will remain open until the recount is completed and the vote is made official. 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/).
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Flávio Bolsonaro 8-10% · Buy YesOption 2 of 3

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Before you decide · Flávio Bolsonaro 8-10%

  • News67 today · latest 2h
  • AI analysts3% · 3 pts above
  • Tiers 1–2none of the top 50
EVENT ENDED

This event has ended. The result is being confirmed.