通达信四线擒牛主图指标

当白线上穿黄线，同时灰线与红线相距较近时为买点
FL:=MA(CLOSE,17)+ABS(MA(CLOSE,17)-REF(MA(CLOSE,17),1)),COLORWHITE;
FS:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1),COLORWHITE;
BB:IF(MA(CLOSE,17) 年线:=EMA(C,250);
A:=BB-(EMA(C,3)-BB),COLORWHITE;
DIFF:EMA((年线-(EMA(C,3)-年线)),5),LINETHICK2;
IF(BB=FS,BB,BB), COLORWHITE,LINETHICK2;
追涨跌破止损: EMA(COST(81),10) COLORRED,LINETHICK2;
牛熊线: EMA(COST(27),120), CIRCLEDOT;

{大家要的选股公式，通达信 飞狐可以使用。
FS:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1);
BB:=IF(MA(CLOSE,17) 年线:=EMA(C,250);
DIFF:=EMA((年线-(EMA(C,3)-年线)),5);
AA:=IF(BB=FS,BB,BB);
XG:CROSS(AA,DIFF);};