去ST:=NOT(NAMELIKE('ST') OR NAMELIKE('*ST'));
去停牌:=DYNAINFO(4)>0;
去除:=去ST AND 去停牌;
TYP:=(HIGH+LOW+CLOSE)/3;
cci值:=(TYP-MA(TYP,89))/(0.015*AVEDEV(TYP,89));
CCI值下拐:=REF(CCI值,1)<REF(CCI值,2) AND CCI值>REF(CCI值,1);
CCI值上拐:=REF(CCI值,1)>REF(CCI值,2) AND CCI值<REF(CCI值,1);
极卖拐点:去除 AND CCI值<-200 AND CCI值下拐;
