# Will Wilson Witzel win the 2026 Rio de Janeiro gubernatorial election

> Liquidity-weighted aggregate at 34% across 3 contracts — refreshed just now.

URL: https://simplefunctions.dev/odds/riogov
Updated: 2026-05-09T04:20:39.998Z
Category: politics · Topic: election-2026
Status: active
Closes: 2027-10-04

## Headline

- Probability: 34% (liquidity-weighted across 3 contracts)
- Venue: Kalshi (3 contracts)
- 24h volume: $0

## Bound contracts (3)

| Outcome | Price | 24h | Volume | Venue | Slug |
|---|---|---|---|---|---|
| Eduardo Paes | 75¢ | +1pp | $0 | kalshi | /markets/will-eduardo-paes-win-the-2026-rio-de-janeiro-gube-kalshi-kxriogov-26oct04-epae |
| Douglas Ruas | 21¢ | — | $0 | kalshi | /markets/will-douglas-ruas-win-the-2026-rio-de-janeiro-gube-kalshi-kxriogov-26oct04-drua |
| Wilson Witzel | 5¢ | — | $0 | kalshi | /markets/will-wilson-witzel-win-the-2026-rio-de-janeiro-gub-kalshi-kxriogov-26oct04-wwit |

## 30-day trajectory

| Day | Aggregate |
|---|---|
| 2026-04-25 | 45 |
| 2026-05-02 | 74 |
| 2026-05-07 | 76 |

_6 days of price history captured. Each row is the daily mean of intraday 5-min captures._

## Analysis

This probability reflects the current market assessment that Wilson Witzel has a one-in-three chance of winning Rio de Janeiro's gubernatorial election in 2026. The 33% probability likely reflects Witzel's political positioning and name recognition from his previous tenure as governor, balanced against competition from other candidates and shifting voter preferences in the state. The outcome will be primarily determined by voter sentiment closer to election day, the strength of competing candidates' campaigns, and any developments affecting Witzel's political viability. The election occurs in October 2026, providing the key event that will resolve this uncertainty. Between now and then, candidate registration deadlines, polling data releases, and campaign developments will offer signals about the race's direction.

### Key factors

- Witzel's prior gubernatorial record and public approval ratings in Rio de Janeiro entering the 2026 cycle
- Number and strength of competing candidates who register for the election and their respective campaign resources
- Voter turnout patterns and demographic shifts in Rio de Janeiro compared to previous gubernatorial elections
- Major political or economic events affecting Rio state politics between now and the October 2026 election
- Performance of Witzel's party and allied candidates in interim elections or polling releases that signal electoral momentum

## Methodology

Probability is **liquidity-weighted** across all bound Kalshi/Polymarket contracts: Σ(price × volume) ÷ Σ(volume). 30-day trajectory uses the daily mean of intraday 5-min captures. 24h delta = today's mean − yesterday's mean. Movement events are ≥3pp daily moves in the last 7 days.

## How to use this data

- HTML: https://simplefunctions.dev/odds/riogov
- JSON: https://simplefunctions.dev/api/public/odds?slug=riogov
- Topic hub: https://simplefunctions.dev/predictions/election-2026

## License

CC-BY-4.0. Attribute "SimpleFunctions" with a link to https://simplefunctions.dev. See https://simplefunctions.dev/legal for terms.