TD Ameritrade Holding Corporation is a company that provides securities brokerage and related technology-based financial services to retail investors, traders, and independent registered investment advisors. Its products and services include a variety of electronic trading platforms for retail investors and traders. The company also offers brokerage and custody services, investor education for stocks, options, income investing, and portfolio management, investment consulting and planning services, etc. In addition, it provides retail brokerage products and services, such as common and preferred stocks, ETFs, options, cryptocurrency, futures, foreign exchange, mutual funds, margin lending, cash management services, and annuities.