VA:=IF(CLOSE>REF(CLOSE,1),VOL,-VOL);
OBV:SUM(IF(CLOSE=REF(CLOSE,1),0,VA),0);
MAOBV:MA(OBV,M);
DRAWTEXT(CROSS(OBV,MAOBV),MAOBV,'穿')COLOR0000FF;
DRAWTEXT(CROSS(MAOBV,OBV),MAOBV,'穿')COLOR80FF00;
IF(MAOBV>REF(MAOBV,1),MAOBV,DRAWNULL)COLOR80FFFF;
IF(MAOBV<=REF(MAOBV,1),MAOBV,DRAWNULL)COLOR40FF00;