{养家OBV副图}
X_1:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL);
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);{WWW.GPXIAZAI.COM}
DRAWBAND(OBV,RGB(200,10,10),X_4,RGB(30,180,0));
量线:HHV(OBV,0),COLORYELLOW;
等于:量线=OBV,NODRAW;