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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 68%

Humberto Costa 14.2%

Mendonça Filho 4.2%

Mailson da Silva Neto <1%

Polymarket

$18,297 Vol.

Marília Arraes 68%

Humberto Costa 14.2%

Mendonça Filho 4.2%

Mailson da Silva Neto <1%

Polymarket

$18,297 Vol.

icon for Marília Arraes

Marília Arraes

$9,126 Vol.

68%

icon for Humberto Costa

Humberto Costa

$4,873 Vol.

14%

icon for Mendonça Filho

Mendonça Filho

$981 Vol.

4%

icon for Mailson da Silva Neto

Mailson da Silva Neto

$372 Vol.

1%

icon for Paulo Rubem Santiago

Paulo Rubem Santiago

$344 Vol.

1%

icon for Carlos Sant'Anna

Carlos Sant'Anna

$351 Vol.

1%

icon for Gorett Bitu

Gorett Bitu

$344 Vol.

1%

icon for Pastor Gilvan Costa

Pastor Gilvan Costa

$344 Vol.

1%

icon for Eduardo da Fonte

Eduardo da Fonte

$341 Vol.

1%

icon for Samuel Timoteo

Samuel Timoteo

$382 Vol.

<1%

icon for Mariano Macedo

Mariano Macedo

$470 Vol.

<1%

icon for Túlio Gadêlha

Túlio Gadêlha

$368 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).Recent mid-August polling from Datafolha and Real Time Big Data shows Marília Arraes (PDT) holding a consistent lead for first place in Pernambuco’s October 4, 2026, Senate contest, with support in the mid-to-high 20s or low teens depending on the survey, ahead of incumbent Humberto Costa (PT) and Mendonça Filho (PL). The two-seat structure allows voters two choices, keeping competition focused on the second position where several names remain within the margin of error. Arraes’s edge stems from name recognition as a former federal deputy, PDT positioning, and coalition dynamics aligned with the Lula administration. Trader consensus reflects these trends through elevated implied probability for Arraes finishing first, while the tight field for remaining spots leaves room for shifts from undecided voters or late campaign momentum before election day.

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
$18,297
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).Recent mid-August polling from Datafolha and Real Time Big Data shows Marília Arraes (PDT) holding a consistent lead for first place in Pernambuco’s October 4, 2026, Senate contest, with support in the mid-to-high 20s or low teens depending on the survey, ahead of incumbent Humberto Costa (PT) and Mendonça Filho (PL). The two-seat structure allows voters two choices, keeping competition focused on the second position where several names remain within the margin of error. Arraes’s edge stems from name recognition as a former federal deputy, PDT positioning, and coalition dynamics aligned with the Lula administration. Trader consensus reflects these trends through elevated implied probability for Arraes finishing first, while the tight field for remaining spots leaves room for shifts from undecided voters or late campaign momentum before election day.

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
$18,297
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 68%, followed by "Humberto Costa" at 14%. Prices reflect real-time crowd-sourced probabilities. For example, a share priced at 68¢ implies that the market collectively assigns a 68% 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 $18.3K 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 68%, meaning the market assigns a 68% chance to that outcome. The next closest outcome is "Humberto Costa" at 14%. 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.