EXP12:=EMA(C,12);

  EXP50:=EMA(C,50);

  DIR:EXP12-EXP50,LINETHICK0;

  FILLRGN(DIR,0,DIR》0,RGB(190,0,0),DIR《0,RGB(0,130,0));

  MB:EMA(DIR,20),LINETHICK0;

  UPPER:MB+1.96*STD(DIR,10),COLORYELLOW;

  LOWER:MB-1.96*STD(DIR,10),COLORCYAN;