Please how true and reliable are back test results?

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Please how true and reliable are back test results?

Because i have made some number of EAs

that has very great backtest result

but on real account getting screwed up

 
Marvelous Agbor:

Please how true and reliable are back test results?

Because i have made some number of EAs

that has very great backtest result

but on real account getting screwed up

Backtests can be reliable in telling how good an EA is doing in the past, but can't foretell the future.

The market is always changing and something that works well in the past, doesn't mean that it will work in the future too.

 
Eleni Anna Branou:

Backtests can be reliable in telling how good an EA is doing in the past, but can't foretell the future.

The market is always changing and something that works well in the past, doesn't mean that it will work in the future too.

Thanks, but i'm surprised it will gather very good results to even the last traded day.

but nit do same on real

 
in MT4 its less reliable than MT5 from my experience. 
Also, maybe you put the wrong spread number, commission, swap.
all these need to be taken into consideration. 
 
Also check the data quality, never go with less than 99%.
I personally use only 100% data quality and then test on demo how it works.

Later I use a MicroAccount to see if the EA is stable and reliable.

After going through this process, I will give it a real account.






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