TOTAL VOLUME:
$138.4b
24H VOL:
$96,535,358
24H TRANSACTIONS:
2,495,670,182
OPEN INTEREST:
$1,525,921,801
457,804
Markets across
34,744
events
MATCHED EVENTS:
2,812
PLATFORM COVERAGE:
5
Polymarket:
39%
VS.
Kalshi:
61%
Closed: Oct 4, 11:40 PM EST
Polymarket
This market tracks whether Flávio Bolsonaro will win the first round of the 2026 Brazilian presidential election. Currently, the aggregated probability across Kalshi and Polymarket indicates a 99.7% chance of this outcome. This prediction market will resolve based on whether Renan Santos wins the first round of the 2026 Brazilian presidential election, according to official results. Given the differing candidate scopes between platforms—particularly the focus on candidates listed on Kalshi as highlighted in the resolution rules—traders should closely watch the official candidate lists published by the TSE before the election window closes on January 1, 2027.
A presidential election is scheduled to take place in Brazil on October 4, 2026. This market will resolve according to the listed candidate who receives the most valid votes in the first round of this election. Candidates will be primarily ranked by order of valid votes won. If two or more candidates are tied for any position, ties will be broken by alphabetical order of the candidates’ listed full names as they appear in this market. This market will resolve to the candidate that occupies the highest finishing position after applying this ranking. If the result of this election isn't known definitively by June 30, 2027, 11:59 PM ET, the market will resolve to "Other". This market will resolve based on the result of the election, as indicated by a consensus of credible reporting. If there is ambiguity, this market will resolve based solely on the official results as reported by the Brazilian government, specifically the Superior Electoral Court (Tribunal Superior Eleitoral, TSE) (e.g., https://dadosabertos.tse.jus.br/).
If Flávio Bolsonaro wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Luiz Inácio Lula da Silva wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Renan Santos wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Romeu Zema wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Fernando Haddad wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Ronaldo Caiado wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes. If Tarcísio de Freitas wins the first round of the 2026 Brazilian presidential election, then the market resolves to Yes.
Prediction market odds often offer a different perspective than traditional polling averages. While polls capture stated preferences, this market reflects what people are willing to *bet* on, which can be a more accurate signal of belief. Polls can be affected by biases and strategic responses, whereas the financial incentive in this market encourages participants to express their genuine expectations. Historically, prediction markets have demonstrated a strong track record of forecasting election outcomes, sometimes outperforming traditional polls, though discrepancies can and do occur. It's important to consider both sources of information when forming an opinion.
Several signals or events could significantly impact this market. Major developments in the campaigns of the leading candidates, such as policy announcements or debates, could shift market sentiment. Unexpected economic news or political scandals involving any of the candidates could also cause price fluctuations. Changes in polling data, while not always directly correlated with market prices, can still influence trader behavior. Additionally, any significant geopolitical events or shifts in public opinion regarding Brazil could move the market. Monitoring these factors will be crucial for anyone looking to trade this market effectively.