TD Ameritrade Holding Corp. engages in the provision of securities brokerage services and related technology-based financial services. It offers the following products and services to retail clients: touch-tone trading; trading over the internet, unlimited streaming, free real-time quotes; extended trading hours; direct access to market destinations, and commitment ton the speed of order execution. The company was founded by John Joe Ricketts in 1971 and is headquartered in Omaha, NE.