Interactive Brokers review: November trading surge highlights accelerating client growth
Interactive Brokers Group, Inc. reported another month of elevated trading activity and robust client growth in November 2025, underscoring its position as one of the world’s most technologically advanced and cost-efficient brokerage firms. The Connecticut-based company released its latest performance metrics on December 1, highlighting sharp year-over-year gains in trading volumes, client accounts, and margin lending.
- Chosen by 3 200+ local traders in the last 3 months.
- Traders earn on average 12% more per month vs other brokers.
According to the report, Interactive Brokers recorded 4.273 million Daily Average Revenue Trades (DARTs) in November—29% higher than a year earlier but 4% lower than in October, when market activity was unusually strong. The firm ended the month with 4.311 million client accounts, up 33% year over year and 2% from the previous month.
Client equity totaled $769.7 billion, representing a 34% annual increase, while margin loan balances rose 38% year over year to $83.3 billion.
Customer credit balances reached $154.0 billion, including $6.2 billion held in insured bank deposit sweep programs.
Low-cost execution and tight trading expense control
In keeping with IBKR’s long-standing emphasis on transparency, the firm published detailed execution statistics for IBKR PRO clients. In November:
- Average U.S. Reg-NMS stock trade size: $22,756
- Average commission per cleared stock order: $1.94
- All-in cost of stock execution: 3.0 basis points, measured against a daily VWAP benchmark
For the rolling 12-month period, that all-in cost averaged 2.8 basis points, significantly below industry norms.
Futures orders averaged 2.8 contracts per trade with an estimated fee load of 58% attributable to exchange, clearing, and regulatory charges. Equity options orders averaged 6.6 contracts with a commission of $3.84.
The firm also reported that the value of its GLOBAL currency basket, used to diversify its equity base, rose 0.05% in November and 1.767% year-to-date.
A growing global broker focused on automation
Interactive Brokers emphasized that its continued expansion is tied to its proprietary automated trading systems and unified global platform, which provide access to more than 160 markets worldwide. The company, a member of the S&P 500, said it remains committed to offering low-cost trading, deep liquidity access, sophisticated risk-management tools, and institutional-grade technology to investors, hedge funds, proprietary traders, advisors, and introducing brokers.
Looking ahead, Interactive Brokers noted that market conditions, interest-rate trends, and continued adoption of automated tools will play key roles in shaping trading activity in 2026. However, the firm believes its technology-driven approach positions it for continued growth even in volatile environments.
Read also: Interactive Brokers launches Connections tool for global investors
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