通达信小买选股指标(源码)

DD:=C-REF(C,1);
HH:=100*EMA(EMA(DD,6),6)/EMA(EMA(ABS(DD),6),6);
买进:(LLV(HH,2)=LLV(HH,7) AND COUNT(HH<0,2) AND CROSS(HH,MA(HH,2)));