Will Partido Liberal (PL) win the most seats in the next Brazilian Senate election?

The PL is priced at a dominant 80% probability to win the most Senate seats, but the extreme 855% implied yield on the "No" side suggests severe mispricing or reflects genuine tail-risk hedging demand rather than fundamental uncertainty. The 195% realized volatility and 2.50 vol ratio indicate this market experiences significant price swings despite the seemingly settled 80¢ price, with the modest $74k daily volume potentially amplifying moves as we approach the October 2026 election. The 4/10 Cliff Risk Index and high information arrival rate (1.4 events/hour) signal that Brazilian political developments could rapidly reprrice this market, particularly given the two-thirds Senate turnover creates genuine competitive uncertainty despite PL's current frontrunner status.

Resolution rules

The next federal Senate election is scheduled to take place in Brazil on October 4, 2026, in which two-thirds of the Senate’s 81 seats will be contested. This market will resolve according to the political party that wins the greatest number of seats in the next Brazilian Senate election. Only seats contested in the next Brazilian Senate election will be considered. 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., www.tse.jus.br/eleicoes/resultados-eleicoes).

Indicators

Regime

Trade