A trading platform is a software through which investors and traders can open, close and manage market positions. Trading platforms are frequently offered by brokers either for free or at a discount rate in exchange for maintaining a funded account and/or making a specified number of trades per month.A trading platform is the software that allows investors and traders to place trades and monitor accounts. Oftentimes, trading platforms will incorporate market analysis software as well, whereby traders and investors can chart the markets and perform stock screens.