Interactive Brokers Group, Inc. (NASDAQ GS: IBKR) an automated global electronic broker and market maker, today reported its Electronic Brokerage monthly performance metrics for May.

Highlights for the month included:

• 641 thousand Daily Average Revenue Trades (DARTs), 4% higher than prior year and 3% lower than prior month.
• Ending client equity of $72.5 billion, 9% higher than prior year and 1% higher than prior month.
• Ending client margin loan balances of $15.1 billion, 22% lower than prior year and 3% lower than prior month.
• Ending client credit balances of $39.0 billion, 15% higher than prior year and 1% higher than prior month.
• 353 thousand client accounts, 15% higher than prior year and 1% higher than prior month.
• 424 annualized average cleared DARTs per client account.
• Average commission per cleared client order of $3.81 including exchange, clearing and regulatory fees.

Key products: Futures include options on futures. IBKR estimate exchange, clearing and regulatory fees to be 57% of the futures commissions.