股票中布林线设置多少比较合适？
A := REF(CLOSE,1);X:=SMA(MAX(CLOSE-A,0),3,1)/SMA(ABS(CLOSE-A),3,1)*100;Y:=SMA(MAX(CLOSE-A,0),5,1)/SMA(ABS(CLOSE-A),5,1)*100;Z:=SMA(MAX(CLOSE-A,0),8,1)/SMA(ABS(CLOSE-A),8,1)*100;ABC:=0.5*X+0.31*Y+0.19*Z;X1:=SMA(100*(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8)),3,1);Y2:=SMA(100*(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8)),5,1);Z3:=SMA(100*(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8)),8,1);XYZ:=0.5*X1+0.31*Y2+0.19*Z3;MACD:(0.5*ABC+0.5*XYZ );绝:=(CLOSE-LLV(LOW,10))/(HHV(HIGH,10)-LLV(LOW,10))*100;顶:=SMA(绝,3,1);波: MA(MACD,2),COLORRED;段:SMA(顶,3,1);DRAWICON(CROSS(波,段),段,15);CD2:=IF(MACD<20 and="" low="=REF(LOW,1) AND CLOSE>LOW ,1,0);CD3:=IF(REF(MACD,1)<20 and="" macd="REF(MACD,1),1,0);DRAWICON(X,70,15);VAR31:=REF((LOW+OPEN+CLOSE+HIGH)/4,1);VAR32:=SMA(ABS(LOW-VAR31),13,1)/SMA(MAX(LOW-VAR31,0),10,1);VAR33:=EMA(VAR32,10);VAR34:=LLV(LOW,33);VAR35:=EMA(IF(LOW<=var34,var33,0),3);主力进场:=var35>REF(VAR35,1);STICKLINE(主力进场,85,105,5,0),COLORCYAN;CS:=(CLOSE-LLV(LOW,8))/(HHV(HIGH,8)-LLV(LOW,8))*100;主力线:=(EMA(CS,3)-50)*2;DRAWICON(CROSS(主力线,-80),60,15) ;VAR1:=(CLOSE-LLV(LOW,80))/(HHV(HIGH,80)-LLV(LOW,80))*200;VAR2:=SMA(VAR1,3,1);VAR3:=SMA(VAR2,3,1);VAR4:=3*VAR2-2*VAR3;
