通达信寂寞短线，布林底部综合选股,源码

{寂寞短线，布林底部综合选股}
 
{布林底部}
 N:=20;
 MID:=MA(C,N);
 VAR1:=POW((C-MID),2);
 VAR2:=MA(VAR1,N);
 VAR3:=SQRT(VAR2);
 UPPER:=MID+2*VAR3;
 LOWER:=MID-2*VAR3;
 
TYP:=(HIGH+LOW+CLOSE)/3;
 CCA:=(TYP-MA(TYP,14))/(0.015*AVEDEV(TYP,14));
 
RSV:=(CLOSE-LLV(LOW,9))/(HHV(HIGH,9)-LLV(LOW,9))*100;
 K:=SMA(RSV,3,1);
 D:=SMA(K,3,1);
 J:=3*K-2*D;
 
BIAS5:=(MA(CLOSE,5)-C)/C>0.11;
 
寂寞短线:BIAS5  AND C<LOWER  AND CCA<-200  AND J<0;