N:=21;M:=55;Q:=3;

回归:=EMA(SLOPE(CLOSE,N)*20+CLOSE,M)*1,COLORMAGENTA,LINETHICK3;

平滑:=EMA(CLOSE,Q),COLORYELLOW,LINETHICK2;

简单差:=平滑-回归;

DRAWICON(CROSS(ZIG(3,8),REF(ZIG(3,8),1)),平滑,9);