通达信精准买卖通道主图指标

位老师的指标的综合用法！！！！！！
精准波段出现粉色柱，提前买入出现黄色柱，同时主图出现买入信号（000650）
源码：
精准买卖通道（主图）
（N 1 100 20 M 1 100 32 P1 1 100 32 P2 1 100 100)
 

VAR1:=(C+H+O+L)/4;
卖出:XMA(VAR1,N)*(1+P1/1000),COLORGREEN,LINETHICK2;
买入:XMA(VAR1,M)*(1-P2/1000),COLORMAGENTA,LINETHICK2;
幅度:100*(卖出-买入)/买入,NODRAW;
MA1:=MA(VAR1,3);
STICKLINE(卖出>LOW AND 卖出<HIGH,卖出,MAX(卖出,MAX(OPEN,CLOSE)),3,0),COLORGREEN;
STICKLINE(卖出>MIN(C,O) AND 卖出<MAX(C,O),卖出,MAX(OPEN,CLOSE),3,0),COLORGREEN;
STICKLINE(卖出>LOW AND 卖出<HIGH,卖出,HIGH,0,0),COLORGREEN;
STICKLINE(卖出<LOW,OPEN,CLOSE,3,0),COLORGREEN;
STICKLINE(卖出<LOW,HIGH,LOW,0,0),COLORGREEN;
STICKLINE(买入>LOW AND 买入<HIGH,买入,MIN(MIN(OPEN,CLOSE),买入),3,0),COLORMAGENTA;
STICKLINE(买入>MIN(C,O) AND 买入<MAX(C,O),买入,MIN(OPEN,CLOSE),3,0),COLORMAGENTA;
STICKLINE(买入>LOW AND 买入<HIGH,买入,LOW,0,0),COLORMAGENTA;
STICKLINE(买入>HIGH,OPEN,CLOSE,3,0),COLORMAGENTA;
STICKLINE(买入>HIGH,HIGH,LOW,0,0),COLORMAGENTA;
DRAWTEXT(CROSS(C,买入) OR (L<买入),LOW*0.95,'Ｂ'),COLORRED,LINETHICK2;
DRAWTEXT(CROSS(C,卖出) OR (H>卖出),HIGH*1.02,'Ｓ'),COLORGREEN;
A3:=(C-LLV(L,9))/(HHV(H,9)-LLV(L,9))*100;
A4:=SMA(A3,3,1);
A5:=SMA(A4,3,1);
A6:=3*A4-2*A5;
A7:=C-REF(C,1);
A8:=100*EMA(EMA(A7,6),6)/EMA(EMA(ABS(A7),6),6);
买:=LLV(A8,2)=LLV(A8,7) AND COUNT(A8<0,2) AND CROSS(A8,MA(A8,2));
DRAWTEXT(FILTER(买=1,5),LOW-0.05,'↖买进'),COLORYELLOW;
STICKLINE(买,OPEN,CLOSE,2,0),COLORYELLOW;
黄金线:EMA(C,18),POINTDOT,LINETHICK4,COLORYELLOW;