一个很好的牛市成本主图，源码，主图，无未来

N:=5;{牛绳} {1条均线红色持股,3条均线绿色空仓. }
CG:MA((LOW+HIGH+CLOSE*2)/4,N);
FL:=HHV(CG,3),COLORGREEN,POINTDOT;
FS:=IF(CG FL1:=HHV(CG,5),COLORGREEN,POINTDOT;
FS1:=IF(CG FL2:=HHV(CG,7),COLORGREEN,POINTDOT;
FS2:=IF(CG FL3:HHV(CG,2),COLORMAGENTA,LINETHICK2;
牛绳:IF(CG IF(牛绳=FL3,牛绳,DRAWNULL),COLORRED,LINETHICK2;
ZLZC1:=(HHV(H,144)-((HHV(H,144)-LLV(L,144))*0.618)),POINTDOT,LINETHICK2;
ZLZC2:=(HHV(H,144)-((HHV(H,144)-LLV(L,144))*0.5)),POINTDOT,LINETHICK2;
ZLZC3:=(HHV(H,144)-((HHV(H,144)-LLV(L,144))*0.382));
主力平均成本:COST(50)LINETHICK2,POINTDOT;
牛市启动:EMA(COST(72),21),LINETHICK2,POINTDOT;
牛市成本:EMA(COST(34),3),LINETHICK2,POINTDOT;