OK! I've got wiped out yesterday Can you guys who have enough experience on backtesting tell me, what does over optimize mean. How do you determine over optimized? And what is optimal settings without over optimized? And right, I created a simple MA cross EA, and optimized it. It shows great result on the backtest with 90% modelling quality. But I got whacked on the reason carry trade unwinds I'm screwed. Am now affraid of funding in my account, affraid of getting screw again Please, please, please... Help!

Regards

David