在鱼段指标做个选股公式

编写要求：

RV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;VAR4:=SMA(RV,3,1);VAR5:SMA(VAR4,3,1);XG:=CROSS(VAR4,VAR5) AND VAR5<30;选股:XG=1;

解答：

RV:=(CLOSE-LLV(LOW,27))/(HHV(HIGH,27)-LLV(LOW,27))*100;