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Rio de Janeiro Senate Election: 1st Place — Polymarket Odds

Resolved market · Category: Politics & Elections · Market end date: October 5, 2026

This market has closed. At the last update (October 6, 2026 at 12:50 UTC) it had settled on Carlos Portinho, after $71.5K of total trading volume.

Current odds

OutcomeProbability24h changeVolume
Carlos Portinho100%
+16.7 pts$8.6K
Benedita da Silva0.0%
-4.5 pts$23.7K
Carlos Jordy0.0%
-17.0 pts$17.3K
Marcelo Crivella0.0%
-0.1 pts$7.4K
Pedro Paulo0.0%
-0.5 pts$5.8K
Ó Clemente0.0%
—$1.6K
Marcos Dias0.0%
—$887
Paula Falcão0.0%
—$845
Monica Benicio0.0%
—$843
André Monteiro0.0%
—$816
Luiz Eugenio0.0%
—$763
Waguinho0.0%
—$707
Michelly Xavier0.0%
—$671
Vinicius Benevides0.0%
—$649
Helio Secco0.0%
—$490

28 lower-priced outcomes are not shown; the full list is in the JSON data.

Total volume $71.5K · 24h volume $2.0K · Liquidity $0. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.

30-day price history

0%25%50%75%100%Sep 7Oct 5

■ Carlos Portinho ■ Benedita da Silva ■ Carlos Jordy · 30-day price history (12-hour points)

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How this market resolves

The Brazilian Federal Senate election for Rio de Janeiro 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).

Summary of the market's published rules. The rules on Polymarket control settlement; check them there before relying on any outcome: open this market on Polymarket.

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Frequently asked questions

What are the current Polymarket odds for Rio de Janeiro Senate Election: 1st Place?

This market has closed. At the last update (October 6, 2026 at 12:50 UTC) it had settled on Carlos Portinho, after $71.5K of total trading volume.

When does the Rio de Janeiro Senate Election: 1st Place market end?

The event's listed end date is October 5, 2026. Each outcome settles under the market's written rules, summarized on this page, which can differ from the end-date field.

How are these odds calculated?

They are the displayed prices of each outcome's YES share on Polymarket. A price of 60¢ implies roughly a 60% chance. This page refreshes the numbers twice a day, so they are not live quotes.

Use this data

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Free JSON API

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Polymarket View, “Rio de Janeiro Senate Election: 1st Place — Polymarket odds”, October 6, 2026, https://polymarkettrader.com/odds/rio-de-janeiro-senate-election-1st-place/ (data: Polymarket, CC BY 4.0).

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