Who will run for President of Brazil?

On Kalshi, this market is priced using a continuous double auction. Traders buy and sell contracts representing the probability of an event occurring, and the price of each contract reflects the collective assessment of all participants. As more traders buy a contract, the price increases, indicating a higher perceived probability. Conversely, selling pressure lowers the price. On Kalshi, prices reflect that venue's order book, liquidity, and how traders price the outcome right now. The market depth and trading activity contribute to the accuracy of the implied probabilities, and the current volume suggests significant interest in this election.

This market resolves around Oct 4, 2026, with the outcome confirmed once the final list of candidates officially registered for the Brazilian presidential election is verifiable from credible public reporting. The market will settle based on whether a given individual is listed as an official candidate by the relevant electoral authorities. The resolution will reflect the official candidate lists as published by the Brazilian electoral commission, ensuring a transparent and verifiable outcome for this market.

Several signals and events could significantly impact this market. Major announcements regarding potential candidates, such as official declarations of candidacy or changes in party affiliation, would likely cause shifts in the odds. Significant political developments within Brazil, including shifts in public opinion or major policy debates, could also influence trading activity. Unexpected endorsements or controversies surrounding potential candidates are further catalysts. Additionally, any changes to electoral rules or regulations could move this market as traders adjust their assessments of each candidate’s prospects.