d11:=valuewhen(h=hhv(h,todaybar),diff);////////
d21:=valuewhen(diff=hhv(diff,todaybar),diff);////////
ss:=d11<=d21-0.5 and h=hhv(h,todaybar), noaxis;
nn1:=barslast(h=hhv(h,todaybar));
nn2:=barslast(diff=hhv(diff,todaybar));
s1:backset(islastbar,nn1+1);
s2:backset(islastbar,nn2+1);
drawline(cross(s2,0.5) and s1=0,h,cross(s1,0.5),h,0),linethick3,colorwhite;
drawline(cross(s1,0.5) and s2=0,h,cross(s2,0.5),h,0),linethick3,colorwhite;