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 September. Brokerage highlights for the month included: 4.111 million Daily Average Revenue Trades (DARTs)1, 6% higher than prior year and 4% lower than prior month. Ending client equity of $964.7 billion, 27% higher than prior year and about even with prior month. Ending client margin loan balances of $1.

