{长腿踩线＋倍量收缩选股}
RC1:=REF(C,1);
比前跌率:=(RC1-C)*100/RC1;
长阴短柱:=比前跌率>4 AND ABS(C-0)/C>0.03;
长阴K:=C<0 AND C<0.9*MA(C,5) AND ABS((C-0))/C>0.03;
长腿:=长阴K AND (MIN(C,0)-L)/(H-L)>=1/3 AND 比前跌率>=4;{4%可以自调}
L0:=CONST(REF(L,BARSLAST(长腿>0)));
WC:=0.024;
JZL:=ABS(L0-L)<=WC OR ABS(L0-MIN(O,C))<=WC OR ABS(L0-H)<=WC OR ABS(L0-MAX(O,C))<=WC;
长腿踩线:=COUNT(JZL,60)>=2;{60天内至少两次精准}
缩倍:=V<=0.5*REF(V,1);
XG1:=REF(长腿踩线,1) AND 缩倍 AND COUNT(长阴短柱,10);
XG:COUNT(XG1,3)>1;{三天内出现信号选出};

单针探底

五日总涨幅:=SUM((C-REF(C,1))/REF(C,1)*100,5)<1;
下影线:=(H-L)/L*100>5 AND (MIN(O,C)-L)/L*100>5;
单针探底:五日总涨幅 AND 下影线;