GREENWICH, Conn.--(BUSINESS WIRE)---- IBKR #IBKR--Interactive Brokers Group, Inc. (Nasdaq: IBKR) an automated global electronic broker, today reported its Electronic Brokerage monthly performance metrics for October. Brokerage highlights for the month included: 4.472 million Daily Average Revenue Trades (DARTs)1, 58% higher than prior year and 16% higher than prior month. Ending client equity of 781.5 billion, 45% higher than prior year and 3% higher than prior month. Ending client margin loan balances of ...