Hey Thomas,
please, recheck the parameters, the time frame and the currency pair. When you are sure all is the same, switch to Meta Trader – Demo as source for your Historical data. If you see the results that Andi shares, and you do not see similar results with your broker, it means it is from the Historical data of your broker.
Check the spread also, may be is high? If all is good and just the results are different, than it is from the data. You can try to optimize the EA, and run Monte Carlo, to make sure it is not over-optimized.
Cheers,