/// <summary>
/// Winnningses the over loosings.
/// </summary>
/// <param name="stock">The stock.</param>
/// <returns></returns>
private double WinningsOverLoosings(StockExchange stock)
{
var netEarnings = stock.Earnings != 0 ? (stock.Earnings - stock.TransactionCost) : 0;
var reward = 0.0;
if (netEarnings > 0)
{
Winnings.Enqueue(netEarnings);
}
else
{
Loosings.Enqueue(netEarnings);
}
var totalWinnings = Winnings.ToList().Sum();
var totalLoosings = Math.Abs(Loosings.ToList().Sum());
if (totalLoosings > 0)
{
reward = totalWinnings / totalLoosings;
}
else
{
reward = totalWinnings;
}
return(Math.Round(reward, 2));
}
/// <summary>
/// Calculates the specified stock.
/// </summary>
/// <param name="stock">The stock.</param>
/// <returns></returns>
public double Calculate(StockExchange stock)
{
var reward = 0.0;
switch (Type)
{
case RewardCalculatorType.Earnings:
reward = Earnings(stock);
break;
case RewardCalculatorType.EarningOverNetCapital:
reward = EarningOverNetCapital(stock);
break;
case RewardCalculatorType.WinningsOverLoosings:
reward = WinningsOverLoosings(stock);
break;
case RewardCalculatorType.AnnualRent:
reward = AnnualRent(stock);
break;
default:
break;
}
return(reward);
}
/// <summary>
/// Return Earnings increment over net capital.
/// </summary>
/// <param name="stock">The stock.</param>
/// <returns></returns>
private double EarningOverNetCapital(StockExchange stock)
{
return((stock.Earnings - stock.TransactionCost) / stock.NetCapital);
}
/// <summary>
/// Return the earning obtained
/// remarks: Best performance but big error
/// </summary>
/// <param name="stock">The stock.</param>
/// <returns></returns>
private double Earnings(StockExchange stock)
{
return(stock.Earnings - stock.TransactionCost);
}
/// <summary>
/// Winnningses the over loosings.
/// </summary>
/// <param name="stock">The stock.</param>
/// <returns></returns>
private double AnnualRent(StockExchange stock)
{
return(stock.AnnualRent);
}
