局部低点预选A:=BACKSET(LLV(L,5)<REF(LLV(L,4),1),4);
局部低点预选B:=BACKSET(局部低点预选A=0 AND REF(局部低点预选A,1)=1,2);
局部低点预选C:=IF(局部低点预选B=1 AND REF(局部低点预选B,1)=0,-1,0);
局部高点预选A:=BACKSET(HHV(H,5)>REF(HHV(H,4),1),4);
局部高点预选B:=BACKSET(局部高点预选A=0 AND
MA10:=MA(C,10);
MA30:=MA(C,30);
MA60:=MA(C,60);
LL:=MIN(MIN(MA10,MA30),MA60);
选股:COUNT(MA30>REF(MA30,1),2)=2 AND MA60>REF(MA60,1) AND MA10=LL AND CROSS(C,MA10);
去除ST:=IF(NAMELIKE('ST'),0,1) AND IF(NAMELIKE('*ST'),0,1);
去除停牌:=DYNAINFO(4)>0;
去除大盘股:=CAPITAL/1000000<25;
去除次新股:=FINANCE(42)>120;{上市大于120天}
排除:=去除ST AND 去除停牌 AND 去除大盘股 AND 去除次新股;
底:=COST(0.2);
短期底部:=LLV(HIGH,30