Interactive Brokers Sees 25% DARTs Growth, Client Equity Hits $789.4B in March
Interactive Brokers reported 4.329 million Daily Average Revenue Trades in March, up 25% year-over-year and down 1% month-over-month, with client equity ending at $789.4 billion, a 38% annual rise. Client margin loans grew 35% annually to $86.0 billion, commission per cleared order averaged $2.74, and accounts rose 31% to 4.754 million.
1. Trading Volume Metrics
Interactive Brokers recorded 4.329 million Daily Average Revenue Trades (DARTs) in March, marking a 25% year-over-year increase and a 1% sequential decline. Annualized average cleared DARTs per client account stood at 199, indicating robust trading activity across its platform.
2. Client Asset Balances
Ending client equity was $789.4 billion at month-end, up 38% from March 2025 and down 4% sequentially. Client margin loan balances rose 35% year-over-year to $86.0 billion, while credit balances reached $168.8 billion, a 35% annual gain and a 4% monthly increase.
3. Account Growth and Commission Mix
Client accounts totaled 4.754 million, up 31% year-over-year and 2% month-over-month. Average commission per cleared Commissionable Order was $2.74, with stocks averaging $2.06 per 900-share order, equity options $3.75 per 6.4-contract order and futures $4.27 per 3-contract order.
4. Execution Costs and Currency Impact
The mark-to-market loss on the U.S. government securities portfolio was $0.8 million for the quarter ended March 31. The GLOBAL currency basket fell 0.54% in March, and the rolling twelve-month all-in cost for IBKR PRO clients trading U.S. Reg-NMS stocks was 2.3 basis points.