STATDIVVOL индикатор статистического отклонения с учетом объема

Settings={
Name="STATDIVVOL",
period=10,
  line=
  {
    {
      Name="curve",
      Color=RGB(0,0,255),
      Type=TYPE_LINE,
      Width=1
    },
    {
      Name="line",
      Color=RGB(255,0,0),
      Type=TYPE_LINE,
      Width=1
    }
  } 
}

function Init()
  return 2
end

function OnCalculate(index)
  local sum1=0
  local sum2=0  
  if index < Settings.period then
    return nil, nil
  else   	
    for i=index-Settings.period+1, index do  
      if C(i) > O(i) then
        sum1 = sum1 + (C(i) - O(i))*V(i)
        sum2 = sum2 + (C(i) - O(i))*V(i)
      else
        sum2 = sum2 + (O(i) - C(i))*V(i)
      end  
    end 
    sum1 = sum1/sum2    
  end
  
  return sum1, 0.5

end

Settings={
Name="STATDIVVOL",
period=10,
  line=
  {
    {
      Name="curve",
      Color=RGB(0,0,255),
      Type=TYPE_LINE,
      Width=1
    },
    {
      Name="line",
      Color=RGB(255,0,0),
      Type=TYPE_LINE,
      Width=1
    }
  } 
}

function Init()
  return 2
end

function OnCalculate(index)
  local sum1=0
  local sum2=0  
  local j=0    
  if index < Settings.period then
    return nil, nil
  else   	
    for i=index-Settings.period+1, index do  
	  j = j + 1 
      if C(i) > O(i) then
        sum1 = sum1 + (C(i) - O(i))*V(i)*j
        sum2 = sum2 + (C(i) - O(i))*V(i)*j
      else
        sum2 = sum2 + (O(i) - C(i))*V(i)*j
      end  
    end 
    sum1 = sum1/sum2 
  end
  
  return sum1, 0.5

end

с весовыми коэффициентами но без объемов

Settings={
Name="STATDIVVOL",
period=10,
  line=
  {
    {
      Name="curve",
      Color=RGB(0,0,255),
      Type=TYPE_LINE,
      Width=1
    },
    {
      Name="line",
      Color=RGB(255,0,0),
      Type=TYPE_LINE,
      Width=1
    }
  } 
}

function Init()
  return 2
end

function OnCalculate(index)
  local sum1=0
  local sum2=0  
  local j=0    
  if index < Settings.period then
    return nil, nil
  else   	
    for i=index-Settings.period+1, index do  
	  j = j + 1 
      if C(i) > O(i) then
        sum1 = sum1 + (C(i) - O(i))*j--*V(i)*j
        sum2 = sum2 + (C(i) - O(i))*j--*V(i)*j
      else
        sum2 = sum2 + (O(i) - C(i))*j--V(i)*j
      end  
    end 
    sum1 = sum1/sum2 
  end
  
  return sum1, 0.5

end