Will Brazil's general election first round on 2026-10-04 fail to produce a winner in the presidential race, requiring a second round runoff in late October 2026?

Resolves YES if Brazil's Tribunal Superior Eleitoral (TSE) official results show that no presidential candidate received more than 50% of valid votes in the first round of the October 4, 2026 election, thereby requiring a second round. Resolves NO if a candidate wins in the first round with more than 50% of valid votes. Source: Brazil's Tribunal Superior Eleitoral (TSE) official election results