Straight Through Processing (STP) in our forex glossary - is a direct order execution. In this model, the brokerage company is an intermediary between clients and providers of liquidity. Clients orders in the STP model are automatically sent to the provider of liquidity, while Forex Broker gets a commission and a portion of the spread. In this model, the brokerage company is interested in increasing the volume of trades, because it makes profit by taking commission for each Transaction forex. There is no conflict of interest between the broker doing STP and his client.