TD

TA:=EVERY(CLOSE<REF(CLOSE,4),9);

TB:=EXIST(CLOSE<REF(CLOSE,2),2);

TC:=BACKSET(TA AND TB,9);

TD:=IF(TC=1,SUM(TC,9),DRAWNULL);

DRAWNUMBER(RANGE(TD,0,9),LOW*1,TD),COLORLIGRAY;

DRAWNUMBER(TD=9,LOW*1,9),COLORGREEN,COLORRED;{买入结构};

TE:=EVERY(CLOSE>REF(CLOSE,4),9);

TF:=EXIST(CLOSE>REF(CLOSE,2),2);

TG:=BACKSET(TE AND TF,9);

TH:=IF(TG=1,SUM(TG,9),DRAWNULL);

DRAWNUMBER(RANGE(TH,0,9),HIGH,TH),COLORLIGRAY,DRAWABOVE;

DRAWNUMBER(TH=9,HIGH,9),COLORGREEN,DRAWABOVE;{卖出结构};