n:=20;d:=5;boll:=ma(close,n);ub:=boll+2*std(close,n);lb:=boll-2*std(close,n);xg:count(range(c,lb,boll)=1,d) and lb>ref(lb,1) and ref(lb,1)<ref(lb,2);{d:为收盘价在中轨和下轨间运行天数(我设为5天,自己可改),下轨第一天转头向上时进行选股}; 20210311
dif:=ema(close,5)-ema(close,26);dea:=ema(dif,55);macd:=(dif-dea)*2;tj:=macd>0;t:=macd<0;a:=llv(macd,55)=macd;b:=hhv(macd,55)=macd;drawicon(a and filterx(a,25), l*0.99,11);d:b and filterx(b,25);