testing an expert on MT4

[A-S]

Hello

Maybe someone can explain to me how it might be that I'm testing an expert on MT4 and getting results and after a few days I do the same test on the same dates and have a completely different result ?

[Sergey Golubev]

A-S:

Hello

Maybe someone can explain to me how it might be that I'm testing an expert on MT4 and getting results and after a few days I do the same test on the same dates and have a completely different result ?

• different number of bars (MT4 is loading the bars/price in automatic way - you should load it to MT4, and it is 1 minutes to do);
• particularities in your EA (if EA is uysing martingale as martingale cycles so it is very important about when to start in day/hours/min and when to finish;
• some other reasons.

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How to prepare MT4 for backtesting/trading with some pair: #932