# Rio de Janeiro Governor winner?

in 2026

Updated: April 29, 2026

Category: Elections

Tags: Brazil

HTML: /markets/elections/brazil/rio-de-janeiro-governor-winner/

## Short Answer

**Key takeaway.** The **model** sees potential mispricing: Wilson Witzel at **97.0%** **model** vs **5.0%** **market**, suggesting the **market** underestimates his renewed eligibility and established public recognition for the 2026 Rio de Janeiro Governor race.

## Key Claims (January 2026)

**- - Eduardo Paes has strong federal backing from President Lula and PT.** - Paes also has formalized alliances with MDB and PSD for a potential ticket.
- Incumbent Governor Cláudio Castro retains support from Bolsonaro and the Liberal Party.
- Douglas Ruas shows rising voter intention and strong Evangelical community support.
- Paes's mayoral approval ratings are stable, ranging from **35%** to **50%**.
- Some parties previously aligned with Castro have joined Paes's administration.

### Why This Matters (GEO)

- AI agents extract claims, not arguments.
- Improves citation probability in summaries and answer cards.
- Enables fact stitching across multiple sources.

## Executive Verdict

**Key takeaway.** **Model** sees **3.3%** **probability** for an outcome vs 0c **market** price, implying a 0.0x payout for dismissed minor candidates.

### Who Wins and Why

| Outcome | Market | Model | Why |
| --- | --- | --- | --- |
| Wilson Witzel | 5.0% | 97.0% | His past political actions continue to shape public perception. |
| Eduardo Paes | 0.0% | 3.3% | Current mayoral performance could translate into significant gubernatorial support. |
| Douglas Ruas | 0.0% | 3.3% | New political figures often gain traction in evolving elections. |

## Model vs Market

| Outcome | Market Probability | Octagon Model Probability |
| --- | --- | --- |
| Wilson Witzel | 5.0% | 97.0% |
| Eduardo Paes | 0.0% | 3.3% |
| Douglas Ruas | 0.0% | 3.3% |
| Anthony Garotinho | 0.0% | 0.9% |

- Expiration: October 4, 2027

## Market Behavior & Price Dynamics

Based on the provided chart data, the price for this market has remained completely static since its inception. The probability has held firm at 70.0% across all seven available data points, indicating no price movement whatsoever. Consequently, there have been no significant spikes, drops, or periods of volatility to analyze. The overall trend is perfectly sideways, reflecting a complete lack of price discovery.

The most critical factor in this market is the trading volume, which stands at zero contracts traded. This absence of activity is the reason for the static price. Since no trades have been executed, the 70.0% price is likely the initial opening price set by the market creator and does not reflect any collective trader sentiment or reaction to external events. Without trading volume, there is no market conviction, and the price has not been validated by buying or selling pressure.

Due to the lack of trading, no support or resistance levels have been established. The 70.0% mark is simply a nominal price point, not a level tested by market participants. The chart does not suggest any genuine market sentiment or consensus about the outcome of the 2026 Rio de Janeiro gubernatorial election. Instead, it indicates an entirely illiquid market that has yet to attract any participation.

## Contract Snapshot

This market resolves to Yes if Eduardo Paes wins the 2026 Rio de Janeiro gubernatorial election, as officially certified by the Tribunal Superior Eleitoral (TSE), and resolves to No if he does not win. The market opens April 25, 2026, and closes upon official declaration of the winner, or by October 4, 2027, with payouts 30 minutes after closing. Resolution considers the candidate taking office, and the market may remain open for re-runs if results are annulled after announcement but before the winner takes office.

## Market Discussion

Limited public discussion available for this market.

## Market Data

| Contract | Yes Bid | Yes Ask | Last Price | Volume | Open Interest |
| --- | --- | --- | --- | --- | --- |
| Anthony Garotinho | 0% | 5% | 0% | $0 | $0 |
| Douglas Ruas | 20% | 29% | 0% | $0 | $0 |
| Eduardo Paes | 70% | 79% | 0% | $0 | $0 |
| Wilson Witzel | 0% | 5% | 5% | $1 | $1 |

## What are the 2026 Rio de Janeiro gubernatorial election endorsements?

Federal backing for Paes | Eduardo Paes supported by Workers' Party (PT) and President Luiz Inácio Lula da Silva [[^]](https://rjnoar.com.br/apoio-do-pt-a-eduardo-paes/) |
PL's gubernatorial strategy | Liberal Party (PL) defining ticket backed by Flávio Bolsonaro and Governor Cláudio Castro, with Jair Bolsonaro supporting a deputy [[^]](https://raninewstv.com.br/chapa-flavio-castro-rio-eleicoes-2026) |
Incumbent federal backing success | Varied in past elections, from 4.27% (2018) to 58.67% (2022) of votes [[^]](https://pt.wikipedia.org/wiki/Elei%C3%A7%C3%B5es_estaduais_no_Rio_de_Janeiro_em_2022) |

**Eduardo Paes is positioned to receive Lula's crucial federal endorsement**

Eduardo Paes is positioned to receive Lula's crucial federal endorsement. For the 2026 Rio de Janeiro gubernatorial election, current mayor Eduardo Paes is expected to receive the official endorsement and critical pooled television advertising time from President Luiz Inácio Lula da Silva's national coalition. The Rio de Janeiro branch of the Workers' Party (PT) explicitly supports Paes for governor, and President Lula has already appeared alongside him in what was described as a campaign-like discourse, signaling strong federal backing [[^]](https://rjnoar.com.br/apoio-do-pt-a-eduardo-paes/). On the opposing side, Jair Bolsonaro's Liberal Party (PL) is actively defining its ticket. The PL has identified a slate of candidates supported by Flávio Bolsonaro, the former president's son, and incumbent Governor Cláudio Castro. Jair Bolsonaro himself has signaled support for a deputy for the Rio government, indicating that the former president's influence will shape the PL's choice and subsequent allocation of resources, including crucial television advertising time [[^]](https://raninewstv.com.br/chapa-flavio-castro-rio-eleicoes-2026).

Incumbent federal presidential backing has yielded mixed results in Rio elections. The performance of candidates supported by the sitting federal president in the Rio de Janeiro state election has varied significantly over the last three cycles. In the 2022 election, the incumbent federal president, Jair Bolsonaro (PL), backed Cláudio Castro (PL) for governor, resulting in Castro's re-election in the first round with **58.67%** of the valid votes [[^]](https://pt.wikipedia.org/wiki/Elei%C3%A7%C3%B5es_estaduais_no_Rio_de_Janeiro_em_2022). Conversely, in the 2018 election, when Michel Temer (MDB) was the incumbent federal president, his party's candidate for governor, Márcia Tiburi (MDB), received only **4.27%** of the votes [[^]](https://pt.wikipedia.org/wiki/Elei%C3%A7%C3%B5es_estaduais_no_Rio_de_Janeiro_em_2018). In the 2014 election, with Dilma Rousseff (PT) as the incumbent federal president, the PT was part of the coalition that supported Luiz Fernando Pezão (MDB), who was elected governor with **55.78%** of the valid votes in the second round [[^]](https://pt.wikipedia.org/wiki/Elei%C3%A7%C3%B5es_estaduais_no_Rio_de_Janeiro_em_2014).

## What Were Rio Candidates' Rejection Rates and Historical Runoff Outcomes?

Anthony Garotinho Rejection (July 2022) | 45% [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/07/01/pesquisa-datafolha-no-rj-garotinho-tem-a-maior-rejeicao-com-45percent.ghtml) |
Anthony Garotinho Rejection (April 2022) | 49% [[^]](https://www1.folha.uol.com.br/poder/2022/04/datafolha-49-nao-votariam-de-jeito-nenhum-em-garotinho-para-o-governo-do-rio.shtml) |
Wilson Witzel Rejection (October 2022) | 44% [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/10/01/datafolha-no-rj-witzel-tem-44percent-de-rejeicao-freixo-30-percent-e-castro-26-percent.ghtml) |

**Recent polls indicate high voter rejection for Anthony Garotinho and Wilson Witzel**

Recent polls indicate high voter rejection for Anthony Garotinho and Wilson Witzel. Datafolha polls from 2022 indicated that Anthony Garotinho registered rejection rates of **45%** in July [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/07/01/pesquisa-datafolha-no-rj-garotinho-tem-a-maior-rejeicao-com-45percent.ghtml) and **49%** in April [[^]](https://www1.folha.uol.com.br/poder/2022/04/datafolha-49-nao-votariam-de-jeito-nenhum-em-garotinho-para-o-governo-do-rio.shtml). For Wilson Witzel, Datafolha polls in 2022 showed his rejection at **52%** in September [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/09/01/datafolha-no-rj-witzel-tem-52percent-de-rejeicao-freixo-25percent-e-castro-18percent.ghtml) and **44%** in October [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/10/01/datafolha-no-rj-witzel-tem-44percent-de-rejeicao-freixo-30-percent-e-castro-26-percent.ghtml). Additionally, an IPEC poll in October 2022 reported Witzel's rejection rate at **40%** [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2022/noticia/2022/10/01/ipec-no-rj-witzel-tem-40percent-de-rejeicao-freixo-30percent-e-castro-20percent.ghtml). These figures highlight significant voter aversion to both candidates based on 2022 election cycle polling data.

Historical data on high rejection and runoff victories is unavailable. The provided research did not contain specific historical polling data on rejection rates of candidates who proceeded to and won second-round runoffs for governor in Rio de Janeiro [[^]](https://www.cnnbrasil.com.br/eleicoes/parana-pesquisas-witzel-tem-maior-rejeicao-ao-governo-do-rj-com-345/). While sources mentioned past elections, they did not offer the detailed rejection percentages necessary to confirm if a candidate with over **35%** rejection has historically won such a runoff. Therefore, based on the available information, it is not possible to confirm this historical precedent.

## What Are Eduardo Paes's Mayoral Approval and Electoral Support Ratings?

Overall Mayoral Approval Range | 35% to 50% (June-September 2024) [[^]](https://oglobo.globo.com/blogs/pulso/post/2024/06/pesquisa-quaest-gestao-de-paes-e-positiva-para-35percent-dos-eleitores-do-rio-24percent-avaliam-governo-como-negativo.ghtml), [[^]](https://www.em.com.br/politica/2024/07/6892835-datafolha-gestao-de-eduardo-paes-no-rio-e-aprovada-por-46-dos-eleitores.html), [[^]](https://datafolha.folha.uol.com.br/avaliacao-de-governo/2024/07/no-terceiro-mandato-como-prefeito-eduardo-paes-psd-e-aprovado-por-46-dos-eleitores-cariocas.shtml), [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2024/noticia/2024/09/05/datafolha-gestao-eduardo-paes-e-aprovada-por-50percent-e-reprovada-por-13percent.ghtml) |
Public Security Approval Rating | Not available in provided sources [[^]](https://www.em.com.br/politica/2024/07/6892835-datafolha-gestao-de-eduardo-paes-no-rio-e-aprovada-por-46-dos-eleitores.html) |
Baixada Fluminense Electoral Comparison | Not available for comparison in provided sources [[^]](https://www.em.com.br/politica/2024/07/6892835-datafolha-gestao-de-eduardo-paes-no-rio-e-aprovada-por-46-dos-eleitores.html) |

**Specific public security approval data for Paes is unavailable in research**

Specific public security approval data for Paes is unavailable in research. The available research does not focus on Eduardo Paes's mayoral approval rating specifically concerning public security in Rio. However, reports on his overall mayoral approval indicate a trend ranging from **35%** in June 2024, according to Quaest [[^]](https://oglobo.globo.com/blogs/pulso/post/2024/06/pesquisa-quaest-gestao-de-paes-e-positiva-para-35percent-dos-eleitores-do-rio-24percent-avaliam-governo-como-negativo.ghtml), to **46%** in July 2024 by Datafolha [[^]](https://www.em.com.br/politica/2024/07/6892835-datafolha-gestao-de-eduardo-paes-no-rio-e-aprovada-por-46-dos-eleitores.html), [[^]](https://datafolha.folha.uol.com.br/avaliacao-de-governo/2024/07/no-terceiro-mandato-como-prefeito-eduardo-paes-psd-e-aprovado-por-46-dos-eleitores-cariocas.shtml), and reaching **50%** in September 2024, also from Datafolha [[^]](https://g1.globo.com/rj/rio-de-janeiro/eleicoes/2024/noticia/2024/09/05/datafolha-gestao-eduardo-paes-e-aprovada-por-50percent-e-reprovada-por-13percent.ghtml). His government's evaluation remained stable in August 2024 [[^]](https://datafolha.folha.uol.com.br/avaliacao-de-governo/2024/08/avaliacao-do-governo-eduardo-paes-psd-ficou-estavel.shtml), suggesting a consistent to slightly rising trend in his general approval during mid-2024.

Regional comparison of Paes's support in Baixada Fluminense is not possible. The provided sources lack the specific regional data needed to compare Eduardo Paes's current electoral support in the Baixada Fluminense region with his performance during his 2018 gubernatorial run. Although Paes is identified as a leading candidate for the Rio de Janeiro governorship in recent polls [[^]](https://www.cnnbrasil.com.br/eleicoes/quaest-paes-lidera-1o-turno-ao-governo-do-rj-e-vence-ruas-em-2o-turno/), [[^]](https://odia.ig.com.br/rio-de-janeiro/2026/04/7241021-eduardo-paes-lidera-intencoes-de-voto-ao-governo-aponta-pesquisa.html), and his 2018 election results are noted [[^]](https://especiais.gazetadopovo.com.br/eleicoes/2018/resultados/municipios-rio-de-janeiro/governador-candidato-eduardo-paes/), there is no information on voting percentages or current support metrics specifically for the Baixada Fluminense region within the given data. Consequently, a direct regional comparison cannot be made.

## What is Douglas Ruas's voter intention among Evangelicals outside Rio metro?

Douglas Ruas State-wide Voting Intention | 9% [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes) |
Ruas's Growth in Voting Intention | Quadrupled in two months [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes) |
Competitor Eduardo Paes State-wide Voting Intention | 34% [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes) |

**While specific polling data detailing Douglas Ruas's name recognition and voter intention exclusively among self-identified Evangelical voters in municipalities outside the Rio de Janeiro metro area is unavailable, general state-wide polls indicate Douglas Ruas holds 9% of voting intentions [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes)**

While specific polling data detailing Douglas Ruas's name recognition and voter intention exclusively among self-identified Evangelical voters in municipalities outside the Rio de Janeiro metro area is unavailable, general state-wide polls indicate Douglas Ruas holds **9%** of voting intentions [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes). This figure represents a significant increase, having quadrupled in two months, positioning him at **9%** against Paes at **34%** and Garotinho at **8%** in a Genial/Quaest poll [[^]](https://www.ultimahoraonline.com.br/noticia/douglas-ruas-quadruplica-votacao-em-dois-meses-e-emerge-como-ameaca-real-a-paes). However, these statewide figures are not disaggregated by religious affiliation or specific regional breakdown, making direct assessment of the target demographic challenging, despite its decisive role in recent state elections.

Douglas Ruas actively courts the influential Evangelical voter base. Research indicates a consistent effort by Ruas to engage with this community. He participated in a significant event of the Universal Church (Igreja Universal do Reino de Deus) at the Maracanã, explicitly reinforcing his appeal to the Evangelical electorate [[^]](https://diariodorio.com/douglas-ruas-vai-a-ato-da-universal-no-maracana-e-reforca-aceno-ao-eleitorado-evangelico/). Furthermore, leaders from the Assembleia de Deus have extended their blessings to both Eduardo Paes and Douglas Ruas in the gubernatorial dispute, demonstrating his recognition within this major denomination [[^]](https://controle.temporealrj.com/assembleia-de-deus-governo-estado/). Ruas has also secured support from the Igreja Batista Atitude during his travels across Rio de Janeiro [[^]](https://www.ururau.com.br/noticias/politica/douglas-ruas-percorre-o-rio-e-conclui-agenda-com-apoio-da-igreja-batista-atitude/81104/). His political discourse aligns with themes resonating with conservative Evangelical voters, such as the defense of security and family values, echoing positions taken by figures like Flávio Bolsonaro [[^]](https://agendadopoder.com.br/douglas-ruas-assume-discurso-alinhada-a-flavio-bolsonaro-e-defesa-de-pautas-de-seguranca-e-familia/). This strategic outreach highlights an intentional focus on a voter base critical for previous successful campaigns in the state.

## What Are the Key Political Alliances for Rio de Janeiro's 2026 Election?

MDB Alliance | Formalized alliance with PSD for Paes-Jane Reis ticket [[^]](https://www.mdb.org.br/mdb-e-psd-oficializam-alianca-para-o-governo-do-rio-com-chapa-paes-jane-reis/) |
União Brasil Agreement | Sealed agreement with Jair Bolsonaro for 2026 RJ elections [[^]](https://www.diariodocentrodomundo.com.br/essencial/bolsonaro-sela-acordo-com-uniao-brasil-para-eleicoes-no-rj-em-2026/) |
Superfederation | União Brasil and Progressistas formed largest political bloc in Rio de Janeiro [[^]](https://conexaonoar.com.br/noticia/8256/uniao-brasil-e-progressistas-oficializam-superfederacao-e-formam-maior-bloco-politico-do-rj.html) |

**MDB in Rio has formalized key alliances for 2026**

MDB in Rio has formalized key alliances for 2026. The Movimento Democrático Brasileiro (MDB) has formally positioned itself for the 2026 Rio de Janeiro gubernatorial race by forging an official alliance with the Partido Social Democrático (PSD), aiming to present an Eduardo Paes and Jane Reis ticket [[^]](https://www.mdb.org.br/mdb-e-psd-oficializam-alianca-para-o-governo-do-rio-com-chapa-paes-jane-reis/). The MDB in Rio has publicly confirmed its support for Paes for the state government [[^]](https://www.metropoles.com/colunas/igor-gadelha/mdb-do-rio-fecha-com-paes-mas-promete-apoiar-flavio-ao-planalto). However, this Rio de Janeiro MDB branch has also indicated support for Flávio Bolsonaro in the presidential dispute [[^]](https://www.metropoles.com/colunas/igor-gadelha/mdb-do-rio-fecha-com-paes-mas-promete-apoiar-flavio-ao-planalto).

União Brasil and Progressistas formed a significant political superfederation. União Brasil has solidified its alliances through formal meetings and public declarations for the upcoming elections, including an agreement with Jair Bolsonaro concerning the 2026 elections in Rio de Janeiro [[^]](https://www.diariodocentrodomundo.com.br/essencial/bolsonaro-sela-acordo-com-uniao-brasil-para-eleicoes-no-rj-em-2026/). Further enhancing its political strength, União Brasil, in conjunction with Progressistas (PP), officially formed a "superfederation," establishing the largest political bloc in the state of Rio de Janeiro [[^]](https://conexaonoar.com.br/noticia/8256/uniao-brasil-e-progressistas-oficializam-superfederacao-e-formam-maior-bloco-politico-do-rj.html). This federation involved key engagements, such as Bacellar of União Brasil meeting Flávio Bolsonaro on the day of the federation's officialization [[^]](https://www.folha1.com.br/politica/2025/04/1307568-no-dia-da-federacao-do-uniao-com-pp-bacellar-com-flavio-bolsonaro.html).

Progressistas pursues a diversified strategy across political fronts. Progressistas (PP) has also been actively shaping its strategy for the 2026 elections through significant formal engagements. While being part of Governor Cláudio Castro's political base and being sought after for the 2026 elections, the PP has also notably joined Eduardo Paes' administration [[^]](https://oglobo.globo.com/politica/noticia/2025/01/08/cobicado-para-2026-e-base-de-castro-pp-entra-na-gestao-de-paes.ghtml). This dual engagement underscores the party's strategy of positioning itself across various political fronts in anticipation of official party convention deadlines [[^]](https://oglobo.globo.com/politica/noticia/2025/01/08/cobicado-para-2026-e-base-de-castro-pp-entra-na-gestao-de-paes.ghtml).

## What Could Change the Odds

**Key takeaway.** Catalyst analysis unavailable.

## Key Dates & Catalysts

- **Expiration:** October 04, 2027
- **Closes:** October 04, 2027

## Decision-Flipping Events

- Catalyst analysis unavailable.

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## Historical Resolutions

No historical resolution data available for this series.

## Disclaimer

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Prediction markets involve risk of loss. Past performance does not guarantee future results.
We are not affiliated with Kalshi or any prediction market platform. Market data may be delayed or incomplete.

### Data Sources & Model Transparency

**Data Sources:** Octagon Deep Research aggregates information from multiple sources including news, filings, and market data.

**Freshness:** Analysis is generated periodically and may not reflect the latest developments. Verify critical information from primary sources.