Индикатор для арбитража

--title="Arbitr <nikolz> "-- арбитраж
name='arb_nk'
Settings={
sec ="SB_arb",  --идентификатор 2-го инструмента (графика)
LEMA = 30,
Name = name,
}
-------
function OnCalculate(i)
   if i==1 then
      AL=1/Settings.LEMA; y,Ma,Mi,Me,x=nil;
   else
      local C1=C(i)
      if T(i-1).hour>T(i).hour then y,Ma,Mi,Me,x=nil  end
      local t=getCandlesByIndex(Settings.sec,0,i,1);  t=t[#t];
      if t  then
         local C2=t.close;
         if C2  and C1 then
            x1=C1-C2;
            if Ma==nil or x1>Ma then Ma=x1 end
            if Mi==nil or Mi>x1 then Mi=x1 end
            if Ma and Mi then
            Me=(Ma+Mi)/2; x=x1;
            if y==nil then y=x; end y=(1-AL)*y+AL*x;
            end
         end
      end
   end
   return Me,Ma,Mi,x,y
end
-----
function Init()
 Settings.line={};
   Settings.line[1] =    {Name = "Me",Color = RGB(0,255,0),      Type =1,Width = 2   };
   Settings.line[2] =    {Name = "Ma",Color = RGB(255,0,0),      Type =1,Width = 2   };
   Settings.line[3] =    {Name = "Mi",Color = RGB(0,0,255),      Type =1,Width = 2   };
   Settings.line[4] =    {Name = "x",Color = RGB(255,255,255),   Type =1,Width = 1   };
   Settings.line[5] =    {Name = "eMA",Color = RGB(255,32,255),   Type =1,Width = 2   };
   return #Settings.line;
end