{双倍量}
{去ST,科创,北证}
去ST:=NAMELIKE('ST')=0 AND NAMELIKE('*ST')=0 AND NAMELIKE('SST')=0 AND NAMELIKE('S*ST')=0;
去科创板:=NOT(CODELIKE('688'));
{去创业板:=NOT(CODELIKE('3'));}
去北证:=NOT(CODELIKE('8'));
去北证A:=NOT(CODELIKE('4'));
去新股:=IF(NAMELIKE('N'),0,1);
PC:=去ST AND 去科创板 AND{ 去创业板 AND }去北证 AND 去新股AND 去北证A;
ABC1:=VOL>=REF(V,1)*1.9 AND C>REF(C,1)*1.01;
倍量选股:REF(ABC1=1,1) AND ABC1=1 AND PC;
