X_1:=SUM(vol,2)/((HHV(HIGH,2)-LLV(LOW,2))*100); X_2:=(CLOSE-REF(CLOSE,1))*X_1; X_3:=SUM(X_2,0); DRAWBAND(MA(X_3,30),RGB(0,255,0),X_3,RGB(255,0,0));