Interactive Brokers reported higher trading activity and continued growth in client assets and account numbers in May, according to its latest monthly operating metrics.

The electronic brokerage said Daily Average Revenue Trades reached 4.969 million during the month. The figure was 47% higher than in May last year and 17% above April's level.

Credit Balances Rise Alongside Client Equity

Client equity rose to $937.3 billion at the end of May. This represented a 49% increase from a year earlier and an 8% gain from the previous month. The total client asset balance is approaching the $1 trillion mark.

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Margin lending also increased. Interactive Brokers reported ending client margin loan balances of $100.9 billion, up 65% year-over-year and 11% higher than at the end of April.

Client credit balances reached $180.1 billion. The total included $6.4 billion held in insured bank deposit sweep programs. Credit balances increased 34% compared with the same month last year and were 3% higher than the previous month.

Margin Loans Lead Growth Across Metrics

The broker continued to expand its client base. It ended May with 4.995 million client accounts, a 32% increase from a year ago and 3% higher than in April.

Interactive Brokers also reported 216 annualized average cleared DARTs per client account. Average commission per cleared commissionable order was $2.60, including exchange Exchange An exchange is known as a marketplace that supports the trading of derivatives, commodities, securities, and other financial instruments.Generally, an exchange is accessible through a digital platform or sometimes at a tangible address where investors organize to perform trading. Among the chief responsibilities of an exchange would be to uphold honest and fair-trading practices. These are instrumental in making sure that the distribution of supported security rates on that exchange are effectiv An exchange is known as a marketplace that supports the trading of derivatives, commodities, securities, and other financial instruments.Generally, an exchange is accessible through a digital platform or sometimes at a tangible address where investors organize to perform trading. Among the chief responsibilities of an exchange would be to uphold honest and fair-trading practices. These are instrumental in making sure that the distribution of supported security rates on that exchange are effectiv Read this Term, clearing, and regulatory fees.

The latest figures continue a trend of growth for the brokerage. Trading volumes, client assets, margin balances, and account numbers all recorded double-digit annual increases during the month.

Among the reported metrics, margin loan balances posted the fastest year-over-year growth, rising 65%. Client equity followed with a 49% increase, while DARTs rose 47%. Client credit balances and account numbers increased 34% and 32%, respectively.

IBKR Adds Claude for Client Trading

The firm also integrated access to Anthropic’s Claude through its certified connector marketplace, allowing clients to connect existing accounts using standard login credentials to research markets, review portfolios and generate trade instructions.

No additional account or funding is required. AI-generated instructions are routed to a review tab and are executed only after client approval. Trading currently covers stocks and ETFs.