TD Ameritrade is a broker that offers an electronic trading platform for the trade of financial assets including common stocks, preferred stocks, futures contracts, exchange-traded funds, forex, options, cryptocurrency, mutual funds, fixed income investments, margin lending, and cash management services. The company receives revenue from interest income on margin balances, commissions for order execution, and payment for order flow. The company is a subsidiary of Charles Schwab Corporation and its services and accounts will be integrated with those of Schwab by 2023. Its operations are in the process of being moved to Schwab's headquarters in Westlake, Texas.