Market maker broker is an individual market participant, that quotes buy and sell prices on its own. Market maker broker is on the opposite side of each trade. The goal of market maker broker is to make a profit on their clients based on a spread and the price of the instrument, that he creates.
STP broker is not an individual market participant. All orders are routed to the brokers' liquidity providers, therefore, he is not on the opposite side of the trade and he is not creating prices by himself.
Purple Trading is an STP broker. As we believe that this is the right way to ensure a transparent and fair environment for all of our clients.