When i use multiple MT4 instance (more than 2) or just after a while,MT4 starts to give me unreal results.
Cheking the results i discovered it starting to skips trades..
I set spread to 10 pips fix.
It happens both on 3 or 1 years of backtesting.
On M5 charts. Both with tick, control points or open price....
I don't change any parameters,to be sure of thati also ran some backtests with two optimization passes changing just the Magic Number and it gives me different result!!
It return correct results only if i restart Mt4 after every test and don't run more than 2 MT4s
It seems to be a Ram or CPU problem but with 3 instance i never reach the 100% usage but MT4 skips some trades,
and every time different trades!
I have two identical host and and on both of them having the same problem!!!
I use I7 3,4Ghz with 8 cores and 32GB Ram. Without any other software running.
The MT4's are not connected to internet
I obtain 90% model quality without errors
1. Yes i mean point sorry.
2. The EA runs every tick but works only when new M5 bars is created.
The strange thing is that if i run 1 or 2 MT4s every times it goes perfect.
If i open 3, 4 , 5 or 8 MT4s they starts to skips some trades..
It can be a RAM problem that begins when starts to fill? But i never reach more than 70%..
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