去ST:=NAMELIKE('ST')=0 AND NAMELIKE('*ST')=0 AND NAMELIKE('SST')=0 AND NAMELIKE('S*ST')=0;
去除创业板:=IF(CODELIKE('300'),0,1);
去除科创板:=IF(CODELIKE('688'),0,1);
去除北交所:=IF(CODELIKE('8'),0,1);
VAR0:=去ST AND 去除科创板 AND 去除北交所;
VAR1:=FRacPART(L)*100=0 OR FRACPART(L)*100=11 OR FRACPART(L)*100=22 OR FRACPART(L)*100=33 OR FRACPART(L)*100=44 OR FRACPART(L)*100=55 OR FRACPART(L)*100=66 OR FRACPART(L)*100=77 OR FRACPART(L)*100=88 OR FRACPART(L)*100=99;
VAR2:=L=LLV(L,100) AND C< 50 ;
VAR3:=BArslASTCOUNT(C< REF(C,4))>7;
抄底信号:VAR0 AND VAR1 AND VAR2;