Interactive Brokers Group Reports Electronic Brokerage Monthly Performance Metrics For December; 3.384M Daily Average Revenue Trades, 4% Higher Than Prior Year And 21% Lower Than Prior Month

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

Brokerage highlights for the month included:

• 3.384 million Daily Average Revenue Trades (DARTs)1, 4% higher than prior year and 21% lower than prior month.
• Ending client equity of $779.9 billion, 37% higher than prior year and 1% higher than prior month.
• Ending client margin loan balances of $90.2 billion, 40% higher than prior year and 8% higher than prior month.
• Ending client credit balances of $160.1 billion, including $6.4 billion in insured bank deposit sweeps2, 34% higher than prior year and 4% higher than prior month.
• 4.399 million client accounts, 32% higher than prior year and 2% higher than prior month.
• 166 annualized average cleared DARTs1 per client account.
• Average commission per cleared Commissionable Order3 of $2.57 including exchange, clearing and regulatory fees. Key products:

December 2025	Average		Average Commission per
	Order Size		Cleared Commissionable Order
Stocks	829 shares		$1.85
Equity Options	6.6 contracts		$3.69
Futures	3.0 contracts		$4.05

Futures include options on futures. We estimate exchange, clearing and regulatory fees to be 59% of the futures commissions.