把＂只赚不赔＂指标出现“买入”改成选股公式

编写要求：

请那位老师把"只赚不赔"指标改成选股公式,谢了! V2:=EMA(V1,300); V3:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100; V4:=SMA(V3,2,1); V5:=SMA(V4,2,1); V6:=CLOSE/REF(CLOSE,3)>=1.1; V7:=BACKSET(V6,3); 买入:IF((V7 AND COUNT(V7,3)=1),30,0),COLORYELLOW; DRAWTEXT(买入,30,'买入'),COLORYELLOW;

解答：

?V2:=EMA(V1,300);

V3:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100;

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