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...
{ok.测试成功绝路航标=50时,发出预警选股}n :=7; m:=5;var1:=(close-llv(low,60))/(hhv(high,60)-llv(low,60))*80; b:=sma(var1,n,1); var2:=sma(b,m,1); 绝路航标:=cross(b,var2) and b