该指标里有个参数N，缺省值设置为20，最小取1，最大取100.这个指标加入了布林线，这个参数就是布林线的参数，各位股友可以根据自己的习惯更改这个参数
我把买入指示做成了选股器指标，希望能给大家更大帮助

精准买卖指示(主图指标)
MA1:=MA(CLOSE,7);
MA2:=MA(CLOSE,13);
MA3:=MA(CLOSE,34);
MA4:=MA(CLOSE,50);
VAR3:=LLV(HIGH,240);
VAR4:=100*(CLOSE-VAR3)/VAR3;
VAR5:=(CLOSE-LLV(LOW,528))/(HHV(HIGH,528)-LLV(LOW,528))*100;
VAR6:=(CLOSE-LLV(CLOSE,530))/(HHV(CLOSE,530)-LLV(CLOSE,530))*100;
VAR7:=0;
VAR8:=SMA(MAX(CLOSE-REF(CLOSE,1),0),34,1)/SMA(ABS(CLOSE-REF(CLOSE,1)),7,1)*100;
VAR9:=SMA(MAX(CLOSE-REF(CLOSE,1),0),13,1)/SMA(ABS(CLOSE-REF(CLOSE,1)),13,1)*100;
VAR10:=IF(TROUGHBARS(3,16,1)=0 AND HIGH>LOW+0.04,4,0);
VAR11:=ZIG(3,6)>REF(ZIG(3,6),1) AND REF(ZIG(3,6),1)<=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)<=REF(ZIG(3,6),3);
VAR12:=ZIG(3,6)<REF(ZIG(3,6),1) AND REF(ZIG(3,6),1)>=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)>=REF(ZIG(3,6),3);
VAR13:=ZIG(3,22)>REF(ZIG(3,22),1) AND REF(ZIG(3,22),1)<=REF(ZIG(3,22),2) AND REF(ZIG(3,22),2)<=REF(ZIG(3,22),3);
VAR14:=ZIG(3,22)<REF(ZIG(3,22),1) AND REF(ZIG(3,22),1)>=REF(ZIG(3,22),2) AND REF(ZIG(3,22),2)>=REF(ZIG(3,22),3);
VAR15:=ZIG(3,51)>REF(ZIG(3,51),1) AND REF(ZIG(3,51),1)<=REF(ZIG(3,51),2) AND REF(ZIG(3,51),2)<=REF(ZIG(3,51),3);
VAR16:=ZIG(3,51)<REF(ZIG(3,51),1) AND REF(ZIG(3,51),1)>=REF(ZIG(3,51),2) AND REF(ZIG(3,51),2)>=REF(ZIG(3,51),3);
VAR17:=ZIG(3,72)>REF(ZIG(3,72),1) AND REF(ZIG(3,72),1)<=REF(ZIG(3,72),2) AND REF(ZIG(3,72),2)<=REF(ZIG(3,72),3);
VAR18:=ZIG(3,72)<REF(ZIG(3,72),1) AND REF(ZIG(3,72),1)>=REF(ZIG(3,72),2) AND REF(ZIG(3,72),2)>=REF(ZIG(3,72),3);
VAR19:=EMA(CLOSE,2)-EMA(CLOSE,150);
买１:=VAR10;
买２:=(VAR11+VAR13+VAR15+VAR17);
卖１:=(VAR12+VAR14+VAR16+VAR18);
B:=IF(买１>0 OR 买２>0,LOW*0.99,DRAWNULL),CROSSDOT,LINETHICK3,COLORYELLOW;
DRAWTEXT(买１>0 OR 买２>0,LOW*0.99,'买入'),COLORRED;
S:=IF(卖１>0,HIGH*1.01,DRAWNULL),CROSSDOT,LINETHICK3,COLORGREEN;
DRAWTEXT(卖１>0,HIGH*1.02,'卖出'),COLORGREEN;
VAR100:=(100 - ((90 * (HHV(HIGH,20) - CLOSE)) / (HHV(HIGH,20) - LLV(LOW,20))));
VAR200:=(100 - ((90 * (HHV(HIGH,20) - CLOSE)) / (HHV(HIGH,20) - LLV(LOW,20))));
VAR300:=(100 - MA(((100 * (HHV(HIGH,5) - CLOSE)) / (HHV(HIGH,5) - LLV(LOW,5))),34));
BOLL:MA(CLOSE,N),LINETHICK2,COLORWHITE;
UB:BOLL+2*STD(CLOSE,N),LINETHICK2,COLORYELLOW;
LB:BOLL-2*STD(CLOSE,N),LINETHICK2,COLORMAGENTA;

买入指示选股（选股器指标）
MA1:=MA(CLOSE,7);
MA2:=MA(CLOSE,13);
MA3:=MA(CLOSE,34);
MA4:=MA(CLOSE,50);
VAR3:=LLV(HIGH,240);
VAR4:=100*(CLOSE-VAR3)/VAR3;
VAR5:=(CLOSE-LLV(LOW,528))/(HHV(HIGH,528)-LLV(LOW,528))*100;
VAR6:=(CLOSE-LLV(CLOSE,530))/(HHV(CLOSE,530)-LLV(CLOSE,530))*100;
VAR7:=0;
VAR8:=SMA(MAX(CLOSE-REF(CLOSE,1),0),34,1)/SMA(ABS(CLOSE-REF(CLOSE,1)),7,1)*100;
VAR9:=SMA(MAX(CLOSE-REF(CLOSE,1),0),13,1)/SMA(ABS(CLOSE-REF(CLOSE,1)),13,1)*100;
VAR10:=IF(TROUGHBARS(3,16,1)=0 AND HIGH>LOW+0.04,4,0);
VAR11:=ZIG(3,6)>REF(ZIG(3,6),1) AND REF(ZIG(3,6),1)<=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)<=REF(ZIG(3,6),3);
VAR12:=ZIG(3,6)<REF(ZIG(3,6),1) AND REF(ZIG(3,6),1)>=REF(ZIG(3,6),2) AND REF(ZIG(3,6),2)>=REF(ZIG(3,6),3);
VAR13:=ZIG(3,22)>REF(ZIG(3,22),1) AND REF(ZIG(3,22),1)<=REF(ZIG(3,22),2) AND REF(ZIG(3,22),2)<=REF(ZIG(3,22),3);
VAR14:=ZIG(3,22)<REF(ZIG(3,22),1) AND REF(ZIG(3,22),1)>=REF(ZIG(3,22),2) AND REF(ZIG(3,22),2)>=REF(ZIG(3,22),3);
VAR15:=ZIG(3,51)>REF(ZIG(3,51),1) AND REF(ZIG(3,51),1)<=REF(ZIG(3,51),2) AND REF(ZIG(3,51),2)<=REF(ZIG(3,51),3);
VAR16:=ZIG(3,51)<REF(ZIG(3,51),1) AND REF(ZIG(3,51),1)>=REF(ZIG(3,51),2) AND REF(ZIG(3,51),2)>=REF(ZIG(3,51),3);
VAR17:=ZIG(3,72)>REF(ZIG(3,72),1) AND REF(ZIG(3,72),1)<=REF(ZIG(3,72),2) AND REF(ZIG(3,72),2)<=REF(ZIG(3,72),3);
VAR18:=ZIG(3,72)<REF(ZIG(3,72),1) AND REF(ZIG(3,72),1)>=REF(ZIG(3,72),2) AND REF(ZIG(3,72),2)>=REF(ZIG(3,72),3);
VAR19:=EMA(CLOSE,2)-EMA(CLOSE,150);
B1:=VAR10;
B2:=(VAR11+VAR13+VAR15+VAR17);
B1>0 OR B2>0;