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I don't know if the latter is a successful path. I'm a pretty good programmer, and have written about 40 .mql and .mq4 experts, all of which ultimately lost money (even after successful back testing).
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How come this could happen?
Did you test the system thoroughly?
How many years did you use to test the system?
What's the performance of the system, including max/average gain/loss, drawdowns and so on?
Have you ever optimise your system for better performance?
What indicators do you use, existing ones or invented (your own) ones?