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Brazilian Bank's Collapse Tied to XP's Massive Bond Sales
1 Dec, 2025
Summary
- Banco Master SA collapsed last month following fraud allegations.
- XP Inc. sold billions in Master's bonds to its retail investors.
- Master's lending portfolio grew by 86% annually due to these sales.

Banco Master SA, a Brazilian financial institution, experienced a dramatic collapse last month, with allegations of fraud casting a shadow over its rapid ascent. The bank's impressive growth trajectory, marked by an average annual increase of 86% in its lending portfolio, was intrinsically linked to its partnership with XP Inc., Brazil's largest brokerage firm.
XP Inc. played a pivotal role by facilitating the sale of approximately 26 billion reais ($4.9 billion) in Master's bonds to its extensive base of retail investors. This substantial influx of capital enabled Banco Master SA to pursue aggressive expansion strategies, including establishing a prominent office in Miami and undertaking several key acquisitions.
However, this meteoric rise, heavily dependent on the sales channeled through XP, ultimately proved unsustainable, leading to the bank's eventual downfall. The case underscores the interconnectedness of financial markets and the potential consequences of rapid, debt-fueled expansion strategies.