Banco Master scandal adds pressure to Brazil's presidential race
A major banking scandal is adding uncertainty to Brazil's presidential race as voters prepare for the first round of the presidential election on Sunday. The case centres on Banco Master, a mid-sized lender whose rapid expansion has now become part of a wider political dispute. The scandal has touched figures across Brazil's political and business establishment, creating fallout for both the centre-left and the far right.
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President Luiz Inacio Lula da Silva, 80, is seeking an unprecedented fourth term and is currently described as the frontrunner. His main challenger is Senator Flavio Bolsonaro, 45, the eldest son of former President Jair Bolsonaro. The elder Bolsonaro is serving a 27-year prison sentence for an alleged coup attempt, according to the supplied material.
The two candidates are said to be locked in a close race, while public rejection of both remains high. The Banco Master case has become one of the largest fraud scandals in modern Brazilian history, according to the supplied report. Prosecutors say the bank lacked the assets needed to sustain the returns it promised and that some assets were diverted to shell accounts.
The lender had grown aggressively over the past decade by selling high-yield deposit certificates, with some offering returns of up to 140 percent relative to Brazil's benchmark interbank rate. Brazil's Central Bank ultimately liquidated Banco Master in 2026, after the scheme had already drawn in regulators, judges, business leaders and political figures. The scandal matters because it has landed in the middle of an already polarised election.
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The report says both campaigns have been affected, with the issue feeding disillusionment among voters and weakening enthusiasm on both sides. In late September, the pollster Quaest found that 56 percent of respondents said they would refuse to vote for Bolsonaro, while 54 percent said the same about Lula. That level of rejection helps explain why mobilisation is described as low despite the high stakes of the vote.
The case also highlights long-running concerns about financial oversight and political trust in Brazil. Banco Master's rise and collapse have raised questions about how a lender could expand so quickly while offering unusually high returns. The involvement of prosecutors, regulators and judges suggests the matter is not only a banking failure but also a legal and institutional test.
For a country heading into a closely fought election, that combination can shape public debate well beyond the financial sector. Lula's political position is notable because he is seeking a fourth term after previously leading Brazil from 2003 to 2011. Flavio Bolsonaro, meanwhile, is running as the leading right-wing challenger in a race that has become tightly contested.
The report says the scandal has delivered a black eye to both ends of Brazil's political spectrum, rather than benefiting one camp alone. That makes the case unusual in a campaign already marked by strong voter dissatisfaction. What remains unclear is how much the scandal will affect turnout and final vote shares on election day.
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The supplied material does not say whether any further arrests, charges or regulatory actions are expected before the vote. It also does not quantify the full financial losses linked to the bank. The immediate focus is on whether the scandal will deepen voter disengagement or shift support in a race that is already extremely close.
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