去ST股:=EXIST((C-REF(C,1))/REF(C,1)*100>5.6,100);
去停牌:=DYNAINFO(4)>0;
去掉一字板:=NOT(C>=REF(C,1)*1.097 AND C=O AND H=L);

ERIC:(HHV(C,30)-C)/HHV(C,30)>0.5 
AND 去掉一字板 AND 去ST股 AND 去停牌;