Well, there is definitely something wrong with custom symbol settings. I ran two independent browsers for about 45 minutes on MetaTrader-Demo EURUSD H1–one with custom symbol settings to match LMAX, and one unchanged. The only things I changed between the two browsers was swap long, swap short, and commission under symbol settings. Here are the results…


Custom symbol settings:

It’s obviously not slower, there’s just half as many strategies found. I wonder if it is because MetaTrader-Demo assumes zero commission fees?