Traders price PL as the clear frontrunner for the most seats in Brazil's Chamber of Deputies because the party already controls the largest current bloc after recent defections raised its strength to roughly 100 members. Its close alignment with Flávio Bolsonaro's presidential campaign, which polls competitively against incumbent Luiz Inácio Lula da Silva, supports expectations of continued right-leaning gains in the proportional representation system. UPB follows at a distant second in market consensus, reflecting the broader fragmentation among center-right and centrist parties such as REPUBLICANOS and MDB. Recent legislative shifts and presidential ticket dynamics remain the dominant factors, with further party realignments or economic data releases capable of altering seat projections before the October election.