Interactive Brokers reported June 2026 brokerage metrics, with DARTs, client accounts, margin loans, commissions and execution costs showing mixed monthly trends.
Interactive Brokers Reports June 2026 Brokerage Metrics
IBKR(Nasdaq: IBKR) issued a press release on July 1, 2026, announcing its monthly electronic brokerage operating metrics for June 2026. The data showed that the company’s totalDARTs, client accounts and client equity continued to grow, with trading activity posting one of the strongest year-on-year increases.
Trading Volume and Account Base Expanded Sharply Year on Year
In June 2026, the company’sDARTsreached 5.269 million, up 53% from the same period in 2025 and up 6% from May 2026. Total client accounts increased to 5.185 million, up 34% year on year and 4% month on month. On an annualized basis, the average number of clearedDARTsper account was approximately 222.
| Metric | June 2026 Value | Year-on-Year Change | Month-on-Month Change |
|---|---|---|---|
| Daily Average Revenue Trades | 5.269 million | +53% | +6% |
| Client Equity | $930.3 billion | +40% | -1% |
| Client Margin Loan Balance | $108.5 billion | +67% | +8% |
| Client Credit Balance | $182.4 billion | +27% | +1% |
| Total Client Accounts | 5.185 million | +34% | +4% |
Client Equity Edged Lower as Margin Loans and Credit Balances Continued to Rise
As of the end of June 2026, client equity stood at $930.3 billion, up 40% year on year, but down 1% from $937.3 billion at the end of May 2026. Meanwhile, margin loan balances, which reflect client borrowing activity, increased more significantly:
Client margin loan balances reached $108.5 billion, up 67% year on year and 8% month on month.
Client credit balances reached $182.4 billion, up 27% year on year and 1% month on month, including $6.4 billion ofFDIC-insured bank deposit sweep balances.
Commission Structure and Trade Execution Costs
Commission Levels Varied by Product Category
In June 2026, the average commission per cleared commissionable order was $2.52, including exchange, clearing and regulatory fees. By product category:
The average commission for stock orders was $2.09, with an average order size of 618 shares.
The average commission for equity options orders was $3.64, with an average order size of 6.2 contracts.
The average commission for futures orders was $3.84, with an average order size of 2.8 contracts.
Reg-NMSStock Execution Costs Remained Low
The company disclosed that in June 2026,IBKR PROclients’ total cost of executing and clearing U.S. Reg-NMS stocks through the platform was approximately 3.2 basis points of trade money, measured against the daily volume-weighted average price (VWAP); on a rolling 12-month basis, the cost was 2.3 basis points of trade money. (Source: Interactive Brokers Group, June 2026 brokerage metrics press release, published: 2026-07-01)
Portfolio and Currency Basket Performance
The company also disclosed selected supplementary financial information for the quarter ended June 30, 2026:
The company’s U.S. government securities portfolio recorded a mark-to-market loss of $318,000 during the quarter.
The value of theGLOBALcurrency basket, used as the unit of account for the company’s currency diversification strategy, declined 0.48% in June 2026 and fell 0.21% for the second quarter of 2026.
The company had previously confirmed that it will release its second-quarter financial results on July 21, 2026, with publication expected at 4:00 p.m. Eastern Time, followed by an investor conference call at 4:30 p.m. that day. (Source: Business Wire, Interactive Brokers Group second-quarter results announcement, published: 2026-06-30)
Questions About Interactive Brokers’ June Operating Metrics
What are Daily Average Revenue Trades (DARTs)?
Daily Average Revenue Trades refer to the number of client commission-generating orders divided by the number of trading days in the month. They are commonly used to measure client trading activity at a broker.
Why did client equity decline slightly month on month?
The data disclosed by the company showed that client equity was $930.3 billion in June 2026, down 1% from $937.3 billion at the end of May, while still up 40% year on year. The month-on-month fluctuation may be related to multiple factors, including changes in market valuations.
What does the sharp increase in client margin loan balances indicate?
Client margin loan balances increased 67% year on year and 8% month on month, indicating stronger client activity in expanding trading scale or positions through margin financing.
What is the GLOBAL currency basket?
GLOBAL is the unit of account used in the company’s currency diversification strategy. It consists of a basket of ten major currencies and is used to measure changes in the company’s overall currency risk exposure.