Hi Mutkan I've merged the Long Buy and Sell signals into one indicator, and the same for Sell Short and Buy Cover. The removal of PREV seems to be working OK for the long side, and for the short side as far as I've tested. However, I haven't compared the new short version against the old. The result of both formulas generates positive 1 for an entry and negative 1 for an exit. The solution for your Logical OR problem is easily solved by reverting to +1 rather than -1. It works for me anyway. The nature of your code appears to lend itself to potential entry and exit signals on the same bar, though they will be filtered out at the lt and st stages. Maybe it's not a problem. Roy {Mutkan Long System New} x:=Mov(PDI(14)-MDI(14),10,S); bset:=Cross(x,Mov(x,10,S)); el:=Cross(C,ValueWhen(1,bset,H)) AND BarsSince(bset)<5; xl:=ADX(14)>PDI(14); i:=Cum(el+xl>-1)=1; lt:=ValueWhen(1,i+el+xl,If(el,el,xl*0)); BuyLong:=Cross(lt,0.5); SellLong:=Cross(0.5,lt); BuyLong-SellLong; {Mutkan Short System New} x:=Mov(PDI(14)-MDI(14),10,S); sset:=Cross(Mov(x,10,S),x); es:=Cross(ValueWhen(1,sset,L),C) AND BarsSince(sset)<5; xs:=ADX(14)>MDI(14); i:=Cum(es+xs>-1)=1; st:=ValueWhen(1,i+es+xs,If(es,es,xs*0)); SellShort:=Cross(st,0.5); BuyCover:=Cross(0.5,st); SellShort-BuyCover;