{挖坑横盘预警提前 涨幅过线 拉涨停}
N:=20;
M:=5;
P:=3;
REF_LOW:=REF(LLV(LOW,N),1);
REF_HIGH:=REF(HHV(HIGH,N),1);
挖坑条件:=LOW<REF_LOW AND VOL<MA(VOL,5)*0.8;
横盘条件:=HHV(HIGH,M)/LLV(LOW,M)<1.1 AND VOL<MA(VOL,5)*1.2;
挖坑横盘:=挖坑条件 AND 横盘条件;
涨幅过线:=C/REF(C,1)>1.05 AND C>MA(C,20);
预警信号:=挖坑横盘 AND 涨幅过线;
拉涨停:=C/REF(C,1)>=1.095 AND C=H;
选股:预警信号 OR 拉涨停;
