TD Ameritrade is a Forex Broker offering Forex Trading services via Trade Architect, thinkorswim, Mobile and Web trading platforms. Regarding orders execution model, TD Ameritrade is an a-book broker. TD Ameritrade offers trading of currencies, indices, stocks, options, futures, bonds, annuities, ETFs, IPOs, mutual funds and commodities. TD Ameritrade is a member of the FINRA, SIPC and NFA.