Backtest result is NOT representative for Expert Advisor

 
Backtest result is NOT represent the actual performance of Expert Advisor, especially the robot that will automate for few currencies at different time frame chart....!
 
kahloon:
Backtest result is NOT represent the actual performance of Expert Advisor, especially the robot that will automate for few currencies at different time frame chart....!
Hi kahloon, past and future are different things. An ea will always perform different from back-test. What is possible that gives similar results on long term period. 
Reason: