把此主图指标(7日线上穿20天线)改成选股指标
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编写要求:

要求:把主图中出现两个买字字样时分别做选股MA7:MA(C,7),COLORYELLOW;MA20:MA(C,20),COLORGREEN;SMX:MA(C,60),COLORRED,LINETHICK2;STICKLINE(REF(BARSLASTCOUNT(C19 AND CROSS(C,SMX), C,O,1,0),COLORMAGENTA;DRAWTEXT(REF(BARSLASTCOUNT(C19 AND CROSS(C,SMX) AND CLOSE>OPEN, H*1.01,'买'),COLORMAGENTA; {在60天线下盘整20日以上之后上穿60天线}DRAWTEXT(FILTER(EXIST(CROSS(MA7,MA20),3) AND C>O,3) AND C>MA7,L*0.99, '买'),COLORRED;STICKLINE(FILTER(EXIST(CROSS(MA7,MA20),3) AND C>O,3) AND C>MA7,C,O,1,0) ,COLORYELLOW; {收盘上7天线,7日线上穿20天线,之后三天内出现的第一根阳线即为金叉阳线};

解答:

 {两个买字}

MA7:=MA(C,7),COLORYELLOW;
MA20:=MA(C,20),COLORGREEN;
SMX:=MA(C,60),COLORRED;
XG1:=REF(BARSLASTCOUNT(C<MA(C,60)),1)>19 AND CROSS(C,SMX) AND CLOSE>OPEN;
XG2:=FILTER(EXIST(CROSS(MA7,MA20),3)  AND C>O,3) AND C>MA7;
XG1 AND XG2;
 

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