“短线买卖”选股公式改进版源码，测试效果很强大！

个股强:=EMA(100*(C-LLV(LOW,5))/(HHV(H,5)-LLV(LOW,5)),5);
K1:=个股强<REF(个股强,1);
K2:=个股强>REF(个股强,1);
个股弱:=IF(K1,个股强,DRAWNULL);
个股强买:=IF(K2,个股强,DRAWNULL);
XG:REF(个股弱,1) AND K2 AND 个股强买<40;