布林线下轨选股预警源码分享，下轨买

源码

N:=20;

BOLL:=MA(CLOSE,N);

LB:=BOLL-2*STD(CLOSE,N);

VAR1:=1;

VAR2:=((((2*CLOSE)+HIGH)+LOW) / 4);

VAR4:=LLV(LOW,5);

VAR5:=HHV(HIGH,4);

C1:=(EMA((((VAR2-VAR4)/(VAR5-VAR4))*100),4)*VAR1);

C2:=(EMA(((0.667*REF(C1,1))+(0.333*C1)),2)*VAR1);

XG:REF(L,1)LB AND CROSS(C1,C2);