mql4 provides the option to backest against original ticks mql5 doesn't - yet they say for a couple of years now.
If you want to scalp you'll optimize to the tick-generation-algorithm of mql ...
gooly:
mql4 provides the option to backest against original ticks mql5 doesn't - yet they say for a couple of years now.
If you want to scalp you'll optimize to the tick-generation-algorithm of mql ...
I don't scalp but the algorithm will occasionally look at ticks to assess market the current market sentiment. Without accurate tick data the back testing won't accurately reflect that aspect of the system's performance.
So I guess I'll use birts.

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Which do you use for backtesting
MQL4
MQL4 Birts
MQL5
This questions is primarily for those who use MQL4 for algotrading, I have in the past converted my EA into mql5 for purposes of backtesting accuracy and I am considering doing so again.
Regards
MNt