Interactive Brokers registers 21% M/M drop in DARTs in December 2025
Electronic trading major Interactive Brokers Group, Inc. (NASDAQ:IBKR) has just posted its key operating metrics for December 2025.
The brokerage reported 3.384 million Daily Average Revenue Trades (DARTs) for December 2025, 4% higher than in December 2024 and 21% lower than in November 2025.

Ending client equity amounted to $779.9 billion, 37% higher than prior year and 1% higher than prior month.
Ending client margin loan balances reached $90.2 billion, 40% higher than prior year and 8% higher than prior month.
Ending client credit balances totalled $160.1 billion, including $6.4 billion in insured bank deposit sweeps2, 34% higher than prior year and 4% higher than prior month.
Interactive Brokers posted 4.399 million client accounts for December 2025, 32% higher than prior year and 2% higher than prior month.
The average commission per cleared Commissionable Order was $2.57 including exchange, clearing and regulatory fees.
