CCI底背离出现时，上穿-100是才能买入的选股公式

编写要求：

N:=14;TYP:=(HIGH+LOW+CLOSE)/3;CCI:(TYP-MA(TYP,N))/(0.015*AVEDEV(TYP,N));RSI1:=CCI;AA:=REF(RSI1,N)=HHV(RSI1,2*N+1);BB:=BACKSET(AA,N+1);CC:=FILTER(BB,N) AND RSI1=HHV(RSI1,N+1);A1:=BARSLAST(REF(CC,1));顶背离:REF(CLOSE,A1+1)RSI1 AND CC,;DRAWICON(顶背离,CCI*0.9,2);DRAWLINE(CC,RSI1,FILTER(顶背离>0,5),RSI1,0),COLORGREEN,LINETHICK1;AA2:=REF(RSI1,N)=LLV(RSI1,2*N+1);BB2:=BACKSET(AA2,N+1);CC2:=FILTER(BB2,N) AND RSI1=LLV(RSI1,N+1);A2:=BARSLAST(REF(CC2,1));底背离:REF(CLOSE,A2+1)>CLOSE AND REF(RSI1,A2+1)0,5),RSI1,0),COLORMAGENTA,LINETHICK1;DRAWICON(底背离,-130,1);CCI底背离:=底背离 AND CROSS(CCI,-100);DRAWICON(CCI底背离,-150,3);DRAWTEXT(底背离,-130,'上穿-100是才能买入'),COLOR00FF00; X:=CROSS(CCI,-100);DRAWICON(X,-100,5);IF(CCI>=100,CCI,DRAWNULL),COLORGREEN;IF(CCI<=-100,CCI,DRAWNULL),COLORRED;求指标CCI底背离出现时，上穿-100是才能买入的选股公式。谢谢。

解答：

 N:=14;