Ameritrade Holding Corp., an Omaha online brokerage company, said Friday that average daily trading volume fell 6.7% in February.
The company reported 164,000 trades a day in February, compared with 175,000 in January. It opened 31,000 accounts last month and closed 18,000; total accounts reached 3,656,000.
Ameritrade had average client margin balances of $3.6 billion last month and total client assets of $77.3 billion.











