{牛窝买点，副图}
VARFF1:=LLV(LOW,21);
VARFF2:=HHV(HIGH,21);
AKFF1:=EMA((((CLOSE - VARFF1) / (VARFF2 - VARFF1)) * 100),5);
AKFF:=EMA((((CLOSE - VARFF1) / (VARFF2 - VARFF1)) * 50),13);
ABFF:=CROSS(AKFF1,AKFF);
牛窝买点:(ABFF = 1),NODRAW;
STICKLINE(牛窝买点,5,0,2,0),COLORGREEN;
DRAWTEXT(牛窝买点,4.5,' ○牛窝'),COLORYELLOW;
