DIFF : EMA(CLOSE,12) - EMA(CLOSE,26);
DEA  : EMA(DIFF,9);
MACD1 : 2*(DIFF-DEA), COLORSTICK;

variable:n=1;
if cross(diff,dea)  and holding=0 then begin

   buy(holding=0,n,market);

   n:=n*2;

end

if cross(dea,diff)  and holding=0  then begin

   buyshort(holding=0,n,market);

   n:=n*2;

end

if c<enterprice-20*mindiff and holding>0 then begin

   buy(1,n,market);

   n:=n*2;

end

if enterprice<c-20*mindiff and holding<0 then begin

   buy(1,n,market);

   n:=n*2;

end

if c>enterprice+20*mindiff and holding>0 then begin

   sell(1,0,market);

   n:=1;

end

if enterprice>c+20*mindiff and holding<0 then begin

   sellshort(1,0,market);

   n:=1;

end