There are many kinds of foreign exchange ea, which are classified by strategy type. After so many years of verification by many traders, Martin Geer, Trend and Scalp all ended in explosion. Only quantitative hedging is ahead, and quantification is screened by a large number of data analysis. Through multiple hedging mechanisms such as long and short hedging, multi-variety and multi-currency hedging and cross-platform hedging, hedging is formed to achieve the purpose of reducing risks. So now many people tend to study the quantitative hedging system, but it is not recommended to use it directly.