Interactive Brokers margin loans grow 49% to $100.7 billion

Interactive Brokers reported a significant surge in client margin loans, which reached $100.7 billion in July, representing a 49% increase compared to the previous year. During the second quarter, average client margin loans were even higher, at $108.5 billion, a 67% year-over-year increase.

This growth in leverage is contributing to rising net interest income for the brokerage. In the second quarter, net interest income rose 23% year-over-year to $1.06 billion. The company's customer base also expanded, growing 34% year-over-year to 5.3 million clients. Total client assets reached $907 billion during the second quarter, while client credit balances increased by 25% to $180.5 billion.

Interactive Brokers maintains a competitive position in the market through a tiered margin interest rate structure that typically undercuts traditional brokerages. The company's ability to attract sophisticated and professional traders is attributed to its global asset coverage and relatively low borrowing costs.