VA:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL);
OBV:SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0)/10000,coloryellow,LINETHICK2;
MAOBV:MA(OBV,25),LINETHICK0;
做多:IF(OBV>=MAOBV,OBV,MAOBV),LINETHICK3,colorred;
做空:IF(MAOBV-OBV,MAOBV,OBV),LINETHICK2,COLOR00ff00;
波段趋势:MA(OBV,72),LINETHICK2,COLORff00ff;
DRAWTEXT(CROSS(OBV,MAOBV)AND MAOBV>=REF( MAOBV,1),做多,'★-----------'),colorwhite ;
