# Brazil presidential election annulled by December 31?: prediction market odds

> Live prediction market odds for "Brazil presidential election annulled by December 31?". Yes leads at 3.1%. $54K has traded across 1 outcome on Polymarket. The market is expected to resolve by Jan 1, 2027.

- Status: Live
- Prices updated: 2026-11-04T22:24:00Z (1 d ago)
- Expected to resolve by: Jan 1, 2027
- Volume traded: $54K
- Venues: Polymarket
- Category: politics

## Odds by outcome

| Outcome | Chance | Polymarket |
| --- | --- | --- |
| Yes | 3.1% | 3.1% |

"Chance" blends the venues' prices, weighted by volume. Venue columns are each venue's own price.

## How each venue settles

- Polymarket: UMA optimistic oracle.

## Settlement rules

This market will resolve to "Yes" if the results of the October 25 Brazilian presidential runoff election are annulled by December 31, 2026, 11:59 PM ET. Otherwise, this market will resolve to "No". 

The results of this election will be considered annulled if they are formally declared invalid by the Brazil Tribunal Superior Eleitoral or another official body of the government of Brazil with the legal jurisdiction to do so.

If an official body of the government of Brazil with legal jurisdiction to rule on this matter has formally accepted a case seeking annulment of this election and no ruling has been issued by December 31, 2026, 11:59 PM ET, this market may remain open until the earlier of (i) the public announcement of a ruling or (ii) June 30, 2027, 11:59 PM ET.

This market will resolve based on the first qualifying ruling issued that annuls this election. Subsequent appeals or challenges will not be considered.

The resolution sources will be official information from the government of Brazil and a consensus of credible reporting.

## Links

- Full page with charts and order books: https://thepredictionmarkets.com/odds/brazil-presidential-election-annulled-by-december-31
- Trade on Polymarket: https://polymarket.com/event/brazil-presidential-election-annulled-by-december-31-20261026114556736?utm_source=thepredictionmarkets.com&utm_medium=referral
- API (free key): https://api.thepredictionmarkets.com/api/public/v1/events/brazil-presidential-election-annulled-by-december-31

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Source: The Prediction Markets (https://thepredictionmarkets.com), which compares Kalshi and Polymarket prices side by side. Prices are market-implied probabilities, not forecasts by TPM. Cite the page URL and the "Prices updated" time.