This is converted version of mq4 EA based on EMA cross over. The three EMAs are short term EMA, medium term EMA and long term EMA. When the short term EMA is above medium term EMA and medium term EMA is above long term EMA, the EA opens a buy position. When the short term EMA is below medium term EMA and medium Term EMA is below long term EMA, the EA opens a sell position. When the EMAs are not in buy mode or sell mode the EA close the position.