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Interactive Brokers Group, Inc. (NASDAQ: IBKR) reported a 6% year-over-year increase in Daily Average Revenue Trades (DARTs) for September 2026. The electronic trading firm continues to demonstrate steady operational growth, driven by sustained retail and institutional trading activity across global markets.

The rise in trading volumes highlights robust market engagement despite varying economic conditions. Higher transaction activity typically translates into stronger fee-based revenue for brokerage firms, making operating metrics like DARTs a key barometer for equity performance in the financial services sector.

For broader markets and investors, steady growth at major brokerages reflects continued liquidity and active participation in US equities and derivatives. Market participants will be watching upcoming quarterly earnings results to evaluate how trading volume gains impact total revenue and profitability for IBKR and its industry peers.