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Updated September 28, 2026 · Category: Politics & Elections · Market end date: October 26, 2026
As of September 28, 2026 at 12:50 UTC, the leading outcome is Flávio Bolsonaro at 30.5%, followed by Ronaldo Caiado at 3.2%, Augusto Cury at 2.6%. The market has $31.7K in total volume and $531 in the last 24 hours.
| Outcome | Probability | 24h change | Volume |
|---|---|---|---|
| Flávio Bolsonaro | 30.5% | +2.5 pts | $28.9K |
| Ronaldo Caiado | 3.2% | +1.9 pts | $490 |
| Augusto Cury | 2.6% | +0.1 pts | $395 |
| Lula da Silva | 2.1% | +0.1 pts | $190 |
| Renan Santos | 1.5% | -0.1 pts | $293 |
| Romeu Zema | 1.0% | -0.9 pts | $1.5K |
Total volume $31.7K · 24h volume $531 · Liquidity $5.1K. Prices are Polymarket YES-share prices read as probabilities; they are not executable quotes.
■ Flávio Bolsonaro ■ Ronaldo Caiado ■ Augusto Cury · 30-day price history (12-hour points)
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This market will resolve according to the first individual that Donald Trump endorses for President of Brazil in the 2026 Brazil presidential elections.
An endorsement is defined as a statement by Donald Trump that i) is made publicly (e.g., through a press release, an on-the-record interview, a speech, a campaign event, a post from a verified account on social media); ii) explicitly and unambiguously expresses unique support for an individual as a candidate for President of Brazil in the 2026 Brazil presidential elections; and iii) is characterized by a consensus of credible reporting as an official endorsement by Donald Trump of the individual for President in the 2026 Brazil presidential elections.
An endorsement of an individual for any party’s nomination to contest the 2026 Brazil presidential elections will not qualify.
The following will not be considered endorsements: positive or favorable comments about a candidate without a clear public statement of direct support; conditional statements giving support only if certain conditions are met; statements equally expressing support for multiple candidates (e.g., “I support Flavio and Lula”); statements expressing opposition to a candidate without endorsing any candidate; private or non-public statements; and statements that are clearly sarcastic, made in jest, or immediately clarified as not reflecting genuine support.
An endorsement of a ticket comprising a presidential candidate and a vice-presidential candidate constitutes a qualifying endorsement only of the individual endorsed for President. If the endorsement is of a ticket with undefined presidential and vice-presidential roles, or the roles on an endorsed ticket cannot be determined by the statement itself or a consensus of credible reporting, no qualifying endorsement will be deemed to have occurred.
If Donald Trump issues multiple concurrent statements meeting this standard, directed at different individuals, this will not constitute a qualifying endorsement and this market will remain open and resolve based on the first standalone qualifying endorsement issued. Endorsements will be considered to be issued concurrently only if they are issued in the same written statement (e.g., a public social media post), or in a singular public speaking event (e.g., a press conference, a speech).
Endorsements via social media count only from verified accounts controlled by Donald Trump. Likes, reposts, or shares alone do not constitute a qualifying endorsement.
Once a qualifying endorsement has occurred, subsequent retractions, rescissions, or endorsements of other individuals will not affect the determination of the first individual endorsed. If Donald Trump does not issue any qualifying endorsements by October 25, 2026, 11:59 PM Brasilia time, this market will resolve to “Other”.
The resolution sources for this market will be official statements from Donald Trump and a consensus of credible reporting.
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.
More odds by topic: Trump odds · World Elections odds · Brazil odds · Politics odds
As of September 28, 2026 at 12:50 UTC, the leading outcome is Flávio Bolsonaro at 30.5%, followed by Ronaldo Caiado at 3.2%, Augusto Cury at 2.6%. The market has $31.7K in total volume and $531 in the last 24 hours.
The event's listed end date is October 26, 2026. Each outcome settles under the market's written rules, summarized on this page, which can differ from the end-date field.
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.
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