IBKR Sees 23% Y/Y Rise in Client DARTs in August 2026: What Drove It?

Interactive Brokers reported a 23% year-over-year increase in client DARTs to 4.28 million in August 2026, driven by market volatility from monetary policy shifts, inflation concerns, and geopolitical tensions. The company also saw net new accounts jump 49% y/y and total accounts reach 5.46 million. Strong performance was supported by IBKR's low-cost structure, competitive rates, and efficient operations.