Linear Trend System Expert Highlights tab Long A:= (Sin(((10*(Sum(Cum(1)*C,10)))-(Sum(Cum(1),10)*(Sum(C,10))))/((10*Sum(Pwr(Cum(1),2),10))-Pwr(Sum(Cum(1),10),2))) - Sin(((20*(Sum(Cum(1)*C,20)))-(Sum(Cum(1),20)*(Sum(C,20))))/((20*Sum(Pwr(Cum(1),2),20))-Pwr(Sum(Cum(1),20),2))))*100; Buy:=A>0; Sell:= A<0; i:=Cum(Buy>-1 AND Sell>-1)=1; x:=BarsSince(i OR Buy)<=BarsSince(i OR Sell)=0; X=0 Short A:= (Sin(((10*(Sum(Cum(1)*C,10)))-(Sum(Cum(1),10)*(Sum(C,10))))/((10*Sum(Pwr(Cum(1),2),10))-Pwr(Sum(Cum(1),10),2))) - Sin(((20*(Sum(Cum(1)*C,20)))-(Sum(Cum(1),20)*(Sum(C,20))))/((20*Sum(Pwr(Cum(1),2),20))-Pwr(Sum(Cum(1),20),2))))*100; Buy:=A>0; Sell:= A<0; i:=Cum(Buy>-1 AND Sell>-1)=1; x:=BarsSince(i OR Buy)>=BarsSince(i OR Sell)=0; X=0 Symbol tab Long A:= (Sin(((10*(Sum(Cum(1)*C,10)))-(Sum(Cum(1),10)*(Sum(C,10))))/((10*Sum(Pwr(Cum(1),2),10))-Pwr(Sum(Cum(1),10),2))) - Sin(((20*(Sum(Cum(1)*C,20)))-(Sum(Cum(1),20)*(Sum(C,20))))/((20*Sum(Pwr(Cum(1),2),20))-Pwr(Sum(Cum(1),20),2))))*100; Buy:=A>0; Sell:= A<0; i:=Cum(Buy>-1 AND Sell>-1)=1; x:=BarsSince(i OR Buy)<=BarsSince(i OR Sell)=0; X=0 AND Ref(X,-1)>0 Short A:= (Sin(((10*(Sum(Cum(1)*C,10)))-(Sum(Cum(1),10)*(Sum(C,10))))/((10*Sum(Pwr(Cum(1),2),10))-Pwr(Sum(Cum(1),10),2))) - Sin(((20*(Sum(Cum(1)*C,20)))-(Sum(Cum(1),20)*(Sum(C,20))))/((20*Sum(Pwr(Cum(1),2),20))-Pwr(Sum(Cum(1),20),2))))*100; Buy:=A>0; Sell:= A<0; i:=Cum(Buy>-1 AND Sell>-1)=1; x:=BarsSince(i OR Buy)>=BarsSince(i OR Sell)=0; X=0 AND Ref(X,-1)>0