阴线买指标

A1:=c/o<1 and c<ref(c,1);
A2:=L<=EMA(C,60) or L<=EMA(C,30);
A3:=C>=EMA(C,60) or C>=EMA(C,30);
A4:=EMA(C,30)>REF(MA(C,30),2);
阴线买入:(A1 AND A2 AND A3 AND A4) and "kdj.j"(9,3,3)<5;
思路是EMA30日线是向上的，跌到重要的均线企稳，并且kdj指标已经到超卖区，博反弹成功率高！