Flávio Bolsonaro maintains dominant trader consensus as the likely second-place finisher in Brazil’s October 2026 first round because recent polls consistently place him well ahead of other opposition figures, typically in the low-to-mid 30s behind incumbent Luiz Inácio Lula da Silva. The Liberal Party’s formal nomination of the senator as its standard-bearer, combined with his position as the leading carrier of the far-right movement previously headed by his father, has consolidated right-wing support despite a rise in his rejection rating to 57 percent following May and June revelations about his ties to the Banco Master scandal. Fragmentation among alternative conservative or centrist options—including Renan Santos, Ronaldo Caiado, and others polling in the low single digits—further reinforces the gap. Lula’s steady lead near 40 percent and improving approval have narrowed uncertainty about first place, leaving second-place positioning largely settled in the eyes of prediction-market participants until late-campaign shifts materialize.