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icon for Pernambuco Senate Election: 1st Place

Pernambuco Senate Election: 1st Place

icon for Pernambuco Senate Election: 1st Place

Pernambuco Senate Election: 1st Place

Marília Arraes 55%

Humberto Costa 24.6%

Mendonça Filho 2.9%

Eduardo da Fonte 1.6%

Polymarket

$25,851 Vol.

Marília Arraes 55%

Humberto Costa 24.6%

Mendonça Filho 2.9%

Eduardo da Fonte 1.6%

Polymarket

$25,851 Vol.

icon for Marília Arraes

Marília Arraes

$11,864 Vol.

55%

icon for Humberto Costa

Humberto Costa

$7,844 Vol.

25%

icon for Mendonça Filho

Mendonça Filho

$1,238 Vol.

3%

icon for Eduardo da Fonte

Eduardo da Fonte

$798 Vol.

2%

icon for Gorett Bitu

Gorett Bitu

$542 Vol.

<1%

icon for Mariano Macedo

Mariano Macedo

$470 Vol.

<1%

icon for Paulo Rubem Santiago

Paulo Rubem Santiago

$542 Vol.

<1%

icon for Carlos Sant'Anna

Carlos Sant'Anna

$549 Vol.

<1%

icon for Mailson da Silva Neto

Mailson da Silva Neto

$493 Vol.

<1%

icon for Samuel Timoteo

Samuel Timoteo

$500 Vol.

<1%

icon for Túlio Gadêlha

Túlio Gadêlha

$486 Vol.

<1%

icon for Pastor Gilvan Costa

Pastor Gilvan Costa

$523 Vol.

<1%

The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).Marília Arraes (PDT) holds the market lead for first place in Pernambuco’s 2026 Senate contest at 56%, ahead of Humberto Costa (PT) at roughly 25% and trailing candidates below 3%, reflecting recent polling averages where Arraes registers 15–19% and Costa 12–14% in stimulated scenarios allowing two votes per elector. Both candidates run on the same majoritarian alliance headed by João Campos, which structures voter preferences around the two available seats and contributes to the compressed field. August surveys from Quaest and Datafolha show elevated undecided (12–26%) and blank/null shares (20–24%), sustaining volatility in first-place positioning. Mendonça Filho (PL) and Eduardo da Fonte (PP) register single-digit support as independent or opposing-slate options, while the official campaign period that opened mid-August has yet to produce decisive shifts capable of separating the top contenders.

The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026.

This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election.

Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking.

If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).
Volume
$25,851
End Date
Oct 4, 2026
Market Opened
Aug 17, 2026, 6:04 AM ET
The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).
The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).Marília Arraes (PDT) holds the market lead for first place in Pernambuco’s 2026 Senate contest at 56%, ahead of Humberto Costa (PT) at roughly 25% and trailing candidates below 3%, reflecting recent polling averages where Arraes registers 15–19% and Costa 12–14% in stimulated scenarios allowing two votes per elector. Both candidates run on the same majoritarian alliance headed by João Campos, which structures voter preferences around the two available seats and contributes to the compressed field. August surveys from Quaest and Datafolha show elevated undecided (12–26%) and blank/null shares (20–24%), sustaining volatility in first-place positioning. Mendonça Filho (PL) and Eduardo da Fonte (PP) register single-digit support as independent or opposing-slate options, while the official campaign period that opened mid-August has yet to produce decisive shifts capable of separating the top contenders.

The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026.

This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election.

Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking.

If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).
Volume
$25,851
End Date
Oct 4, 2026
Market Opened
Aug 17, 2026, 6:04 AM ET
The Brazilian Federal Senate election for Pernambuco is scheduled to take place on October 4, 2026. This market will resolve according to the candidate who wins the most valid votes of any candidate at the specified election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election isn't definitively 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., www.tse.jus.br/eleicoes/resultados-eleicoes).

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Frequently Asked Questions

"Pernambuco Senate Election: 1st Place" is a prediction market on Polymarket with 12 possible outcomes where traders buy and sell shares based on what they believe will happen. The current leading outcome is "Marília Arraes" at 56%, followed by "Humberto Costa" at 25%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 56¢ implies that the market collectively assigns a 56% chance to that outcome. These odds shift continuously as traders react to new developments and information. Shares in the correct outcome are redeemable for $1 each upon market resolution.

As of today, "Pernambuco Senate Election: 1st Place" has generated $25.9K in total trading volume since the market launched on Aug 17, 2026. This level of trading activity reflects strong engagement from the Polymarket community and helps ensure that the current odds are informed by a deep pool of market participants. You can track live price movements and trade on any outcome directly on this page.

To trade on "Pernambuco Senate Election: 1st Place," browse the 12 available outcomes listed on this page. Each outcome displays a current price representing the market's implied probability. To take a position, select the outcome you believe is most likely, choose "Yes" to trade in favor of it or "No" to trade against it, enter your amount, and click "Trade." If your chosen outcome is correct when the market resolves, your "Yes" shares pay out $1 each. If it's incorrect, they pay out $0. You can also sell your shares at any time before resolution if you want to lock in a profit or cut a loss.

The current frontrunner for "Pernambuco Senate Election: 1st Place" is "Marília Arraes" at 56%, meaning the market assigns a 56% chance to that outcome. The next closest outcome is "Humberto Costa" at 25%. These odds update in real-time as traders buy and sell shares, so they reflect the latest collective view of what's most likely to happen. Check back frequently or bookmark this page to follow how the odds shift as new information emerges.

The resolution rules for "Pernambuco Senate Election: 1st Place" define exactly what needs to happen for each outcome to be declared a winner — including the official data sources used to determine the result. You can review the complete resolution criteria in the "Rules" section on this page above the comments. We recommend reading the rules carefully before trading, as they specify the precise conditions, edge cases, and sources that govern how this market is settled.