N:=20;M1:=3;M2:=6;M3:=12;M4:=24;M5:=5;
第三道:MA(CLOSE,N),LINETHICK2,COLORRED;
上轨:boll+2*STD(CLOSE,N),LINETHICK2;
下轨:BOLL-2*STD(CLOSE,N),LINETHICK2;
第二道:(MA(CLOSE,M1)+MA(CLOSE,M2)+MA(CLOSE,M3)+MA(CLOSE,M4))/4,LINETHICK2,COLORBLUE;
第一道:MA(CLOSE,M1),LINETHICK2,COLORWHITE;