Both daily average revenue trades and client assets increased in October at all of the large online brokers examined.

At TD Ameritrade Holding Corp., DARTs increased to 680,000 in October, up 18.9% from September. Meanwhile, E*TRADE Financial Corp.'s DARTs rose 6.5% to 215,689, and Interactive Brokers Group Inc.'s DARTs climbed 0.3% to 698,000 from the previous month.

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