通达信boll指标的技术应用 源码
思路：股价在boll中轨与上轨之间运行，某天缩量大跌跌破boll中轨，在3天内重新突破boll中轨，同时或者而后macd金叉。
PS：思路引进，非本人原创！
代码：{纯粹无聊}
DIF:=EMA(CLOSE,12)-EMA(CLOSE,26);
DEA:=EMA(DIF,9);
MACD:=(DIF-DEA)*2;
N:=20;
MID:=MA(C,N);
VART1:=POW((C-MID),2);
VART2:=MA(VART1,N);
VART3:=SQRT(VART2);
UPPER:=MID+2*VART3;
LOWER:=MID-2*VART3;
BOLL:=REF(MID,1);
UB:=REF(UPPER,1);
LB:=REF(LOWER,1);
ZZ1:=EVERY(C>BOLL AND C<UB,3);
ZZ2:=BARSLAST(CROSS(BOLL,C) AND (REF(C,1)-C)/REF(C,1)>0.06 AND V<REF(V,1))<3;
ZZ3:=CROSS(DIF,DEA);
ZZ4:=CROSS(C,BOLL);
TT1:=BARSLAST(ZZ1)<5;
TT2:=BARSLAST(ZZ4)<5;
TT1 AND TT2 AND ZZ2 AND ZZ3;
