极绝顶底之买选股指标公式

A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(Abs(A7),6),6);
买:LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND crOSS(A8,MA(A8,2));