OBV:SUM(IF(CLOSE=REF(CLOSE,1),0,X_1),0),COLORMAGENTA;
X_2:=2*(OBV-MA(OBV,20));
X_3:=EXPMEMA(X_2,6);
X_4:=MA(OBV,30);
DRAWBAND(OBV,RGB(200,10,10),X_4,RGB(30,180,0));
量线:HHV(OBV,0),COLORYELLOW;量线=OBV,NODRAW;