In today's world the market is seeing a complete transformation. Currency buying and selling is the area which has seen a major development. The foreign exchange market is turning out to be quite volatile and its unpredictability. Therefore in such contingencies reviews of Expert Advisor exercise unmatched discipline when trading and can be designed to evaluate more parameters at the same time than any human could keep an eye on at once. These Expert Advisors allow investors to exercise a very strict trading system without falling outside pre-programmed parameters.