EA Sigma 4.0 - Version 1 Automated forex systems also known as forex robots with high winrate and low draw downs for automated forex trading. All forex robots are tested with tickdata back to 1999 and since 2008 used for live trading.The Metatrader Expert Advisor EA Sigma represents a new generation from trading systems and have the capability to predict market moves with accuracy never seen before. Trend, tight range, breakout, high volatility, thin market? While discreteionary traders are mostly time busy with staring to the charts guessing what will happen next, you can be sure with the EA Sigma you are always one step ahead the crowd.