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US Elections

Brazil presidential election annulled by December 31?

7% say yes

Up 4 points today.

Each share pays $1 if it happens, so 7¢ means about a 7% chance.

Research, not advice. Prices from Polymarket’s international site, not available in the US.

The short version

Yes wins if: The results of the October 25 Brazilian presidential election are annulled by December 31, 2026, 11:59 PM .

Possible results

  • YesThe person named in the question wins the election.7%

    What has to happen

    The results of the October 25 Brazilian presidential runoff election are annulled by December 31, 2026, 11:59 PM ET.

  • NoIt doesn’t happen.93%

    What has to happen

    That doesn’t happen by December 31, 2026.

The one trap

Official certified results can come weeks after news outlets call the race, so other venues may settle later or differently.

See all fine print
  • 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.
Price chart
-Yes chance

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The details

Rule note: the announcement countsNo single official source
Fine-print risk
Low (15/100)
settles on the official announcement

Pro adds the exact price, today’s change in points, buyers vs sellers in dollars, the price chart and every recorded move. See Pro

  • Official source: settlement runs on Consensus of credible reporting (no single named data provider). Has no single feed: settlement relies on consensus reporting. No recorded moves for this market yet.
  • Fine print: A qualifying official announcement settles Yes; implementation is not required. Deadline: Thu, Dec 31, 2026, 11:59 PM ET.

Source named: Consensus of credible reporting (not a tracked official feed, no release history)

Standardized read of public order book, official-source and contract-rule data, identical for every viewer. It describes the data and is not a recommendation. The venue’s published rules control settlement.

Full rules text on file (Polymarket)

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.

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