GREENWICH, Conn.--(BUSINESS WIRE)--Interactive Brokers Group, Inc. (NASDAQ GS: IBKR), an automated global electronic broker and market maker, today reported its Electronic Brokerage monthly performance metrics for July. Highlights for the month included: 652 thousand Daily Average Revenue Trades (DARTs), 23% higher than prior year and 9% higher than prior month. Ending client equity of $65.8 billion, 23% higher than prior year and flat to prior month. Ending client margin loan balances of $18.1