编写条件：

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;

编写方法：

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