Morning AllI have a question regarding Data for backtesting EAs...

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    Morning All
    I have a question regarding Data for backtesting EAs on MT4. I have a rudimental EA I wish to backtest (non scalper) Do I need to try and achieve 99% modelling quality by using tick history? Or will 90% modelling quality provide me with a reasonably accurate result. Does anyone use the data from the MT4 history center?
    Cheers
    Nikl
 
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