九毛八公式指标
将航海家笑脸主图指标改成选股
公式模块：
WYA001:=(2*CLOSE+HIGH+LOW)/4;
WYA002:=EMA(WYA001,4); WYA003:=EMA(WYA002,4); WYA004:=EMA(WYA003,4); WYA柱:=(WYA004-REF(WYA004,1))/REF(WYA004,1)*100; WYA线1:=MA(WYA柱,2); WYA线2:=MA(WYA柱,1); WYA线1<-0.25 AND WYA线2<-0.25 AND crOSS(WYA线2,WYA线1);
