The app offers access to global financial markets and business news, market price data, and portfolio tracking tools. TD Ameritrade Partner Links. Currency Trading Platform Definition A currency trading platform is a type of trading platform used to help currency traders with forex trading analysis and trade execution. Even still, the introductory and supporting materials are worth getting to grips with, and if you want to get involved with more than currency trading you’re in an ideal place to expand your investment strategy into other products.