gspt1:=MA(CLOSE,17)+ABS(MA(CLOSE,17)-REF(MA(CLOSE,17),1));
gspt26:=MA(CLOSE,17)+MA(CLOSE,17)-REF(MA(CLOSE,17),1);
BB:IF(MA(CLOSE,17)<gspt26,gspt26,MA(CLOSE,17)),COLORWHITE;
DRAWTEXT_FIX(C>O,0,0.07,0,'gspt26:gspt28'),COLORMAGENTA;
gspt28:=EMA(CLOSE,250);
DIFF:EMA((gspt28-(EMA(CLOSE,3)-gspt28)),5),LINETHICK2;
IF(BB=gspt26,BB,BB),COLORWHITE,LINETHICK2;
追涨跌破止损:EMA(COST(81),10),COLORRED,LINETHICK2;
牛熊线:EMA(COST(27),120),CIRCLEDOT;