为趋势指标反向上拐时写个选股公式

编写要求：

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*10;K:=SMA(RSV,3,1),COLORWHITE;D:=SMA(K,3,1),COLORYELLOW;J:3*K-2*D,COLORYELLOW;IF(JREF(J,1),J,DRAWNULL),COLORFF00FF,LINETHICK1; 探针1:=0.01*MA(AMOUNT,13)/MA(VOL,13);探针2:=(CLOSE-探针1)/探针1*100,COLORRED,LINETHICK1;DRAWTEXT("ZXNH.ZXNH"=1 AND 探针2<=-2,探针2,'买'),COLORMAGENTA;请老师为趋势指标反向上拐时写个选股公式

解答：

RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*10;