the is no est but then you can try to follow some strategies and get one the suitable with you, and then you can adopt it as your system, and after several times you will have good experiences to develop the system and then make trade with better than yesterday, so learn before you earn. if there was, everybody would copy it and thus the system will be vanished.but try to practice in demo account before scheduling a real account and trade in foreign strategies exchange trading is all about timing. If you think you can not, then you can not do this are the rules of the game.