选股条件如下:
ddx>0 、ddy>0、ddz>4、小单差<-6、bbd>0特大差>0 and 大单差>3 and 大单差 < 18 and ddy N日飘红天数>4
and ddx连续飘红天数>1 and ddy连续飘红天数>1 and ddxN日飘红天数 >4 and 当日涨幅 >-4
and 当日涨幅 <9 and 散户一日增仓 <0 and 散户三日增仓<0 and 散户五日增仓<0 and
机构一日增仓>0 and 机构三日增仓>0 and 机构五日增仓 >0 and 主力一日增仓>0 and 主力三日增仓>0 and 主力五日增仓>0;

原码如下:
小单差:=(1-BIGORDER(1,1)-(1-BIGORDER(2,1)))*100;
特大差:=(BIGORDER(1,3)-BIGORDER(2,3))*100;
大单差:=((BIGORDER(1,2)-BIGORDER(2,2))-(BIGORDER(1,3)-BIGORDER(2,3)))*100;
大户买:=(BIGORDER(1,2)-BIGORDER(1,3))*AMOUNT/1000000;
大户卖:=(BIGORDER(2,2)-BIGORDER(2,3))*AMOUNT/1000000;
大户:=(大户买-大户卖)*100;
特大买:=BIGORDER(1,3)*AMOUNT/1000000;
特大卖:=BIGORDER(2,3)*AMOUNT/1000000;
特大:=(特大买-特大卖)*100;
bbd:=大户+特大;
买入单数:= order(1);
卖出单数:= order(2);
单数比:=卖出单数/买入单数;
N日飘红天数1:=count("ddy.ddy">0,10);
N日飘红天数2:=count("ddx.ddx">0,10);
连续飘红天数2:=last("ddx.ddx">0);
连续飘红天数1:=last("ddy.ddy">0);
当日涨幅:=(c-ref(c,1))/ref(c,1)*100;
{散户持仓统计：利用此指标可在动态显示牌排序 }
散户HS:=vol/capital;
散户DD:=-(BIGORDER(1,1)-BIGORDER(2,1));
散户DT:=散户HS*散户DD*100;
散户持仓:= Sum(散户DT,0);
散户当日增减度:= 散户DT;
散户当日成交 := (散户DT * capital) * DYNAINFO(11)/10000;
散户买入手数 := (capital*散户DT)/100;
散户净买比:=散户买入手数/vol*100;
散户一日增仓:=Sum(散户DT,1);
散户二日增仓:=Sum(散户DT,2);
散户三日增仓:=Sum(散户DT,3);
散户五日增仓:=Sum(散户DT,5);
散户十日增仓:=Sum(散户DT,10);
散户二十日增仓:=Sum(散户DT,20);
散户一日净买比:=Sum(散户净买比,1);
散户二日净买比:=Sum(散户净买比,2);
散户三日净买比:=Sum(散户净买比,3);
散户五日净买比:=Sum(散户净买比,5);
散户十日净买比:=Sum(散户净买比,10);
{机构持仓统计：利用此指标可在动态显示牌排序 }
机构HS:=vol/capital;
机构DD:=BIGORDER(1,3)-BIGORDER(2,3);
机构DT:=机构HS*机构DD*100;
机构持仓:= Sum(机构DT,0);
机构当日增减度:= 机构DT;
机构当日成交 := (机构DT * capital) * DYNAINFO(11)/10000;
机构买入手数 := (capital*机构DT)/100;
机构净买比:=机构买入手数/vol*100;
机构一日增仓:=Sum(机构DT,1);
机构二日增仓:=Sum(机构DT,2);
机构三日增仓:=Sum(机构DT,3);
机构五日增仓:=Sum(机构DT,5);
机构十日增仓:=Sum(机构DT,10);
机构二十日增仓:=Sum(机构DT,20);
机构一日净买比:=Sum(机构净买比,1);
机构二日净买比:=Sum(机构净买比,2);
机构三日净买比:=Sum(机构净买比,3);
机构五日净买比:=Sum(机构净买比,5);
机构十日净买