MID:MA(CLOSE,21),colorwhite;
UPPER:MID + 1.96*STDDEV(CLOSE,21),coloryellow;
LOWER:MID - 1.96*STDDEV(CLOSE,21),coloryellow;
UP:MID + 2.58*STDDEV(CLOSE,21),colorff00ff;
LOOW:MID - 2.58*STDDEV(CLOSE,21),colorff00ff;
单边上升:=(c>mid);
单边下降:=(c<mid);
布林线开口:=up-loow;
多头行情:=c>ma(c,5) and ma(c,5)>ma(c,10);
股价在高位:=((c-llv(c,30))/(hhv(c,30)-llv(c,30))>0.6);
股价在低位:=((c-llv(c,30))/(hhv(c,30)-llv(c,30))<0.4);
布林线缩口:=((upper-mid)/mid<0.05);
stickline(单边上升,mid,up,2,0),color330066;
stickline(单边下降,loow,mid,2,0),Color545454;
drawtext(布林线缩口,mid,'▲'),colorwhite;
MID,colorwhite;
UPPER,coloryellow;
LOWER,coloryellow;
UP,colorff00ff;
LOOW,colorff00ff;
