NO RULES NEEDED !
Hey , I hope this will help , for gold and indices ( US100 for instance). When putting value on your EA when you want to run it do this :
For SL or TP you normally have for instance on forex EURJPY : SL 50 type for
#To sum up add 1 ZERO to any value put for SL or TP on GOLD and 2 ZERO on US100 (NASDAQ) , For DERIV trader V75 add 3 ZERO
and so on , do your research for the rest !