/// <summary>
/// Kauft ein Wertpapier mit den angegebenen Daten.
/// </summary>
/// <param name="strWKN">WKN, bzw. ID</param>
/// <param name="nQuantity">Stueckzahl</param>
/// <param name="buyDate">Kaufdatum</param>
/// <param name="dBuyPrice">Kaufpreis</param>
public void Buy(string strWKN, int nQuantity, WorkDate buyDate, double dBuyPrice)
{
DepotPosition depotposition = null;
if (m_positions.ContainsKey(strWKN))
{
depotposition = m_positions[strWKN];
int nNewQuantity = nQuantity + depotposition.Quantity;
double dNewPrice = (depotposition.Quantity * depotposition.BuyPrice + nQuantity * dBuyPrice) / nNewQuantity;
depotposition.Quantity = nNewQuantity;
depotposition.BuyDate = buyDate;
depotposition.BuyPrice = dNewPrice;
}
else
{
depotposition = new DepotPosition(strWKN, nQuantity, buyDate, dBuyPrice);
depotposition.TrailingGap = this.DefaultTrailingGap;
m_positions.Add(strWKN, depotposition);
}
m_dCash -= nQuantity * dBuyPrice * (1.0 + m_dProvisionRate);
m_nTrades++;
System.Console.WriteLine("Buy {0}: {1} on {2}", strWKN, nQuantity * dBuyPrice, buyDate);
}
/// <summary>
/// Verkauft ein Wertpapier mit den angegebenen Daten zum
/// aktuellen Preis im Depot. Evtl. muss vor dem Verkauf
/// eine Kursaktualisierung durchgefuehrt werden.
/// </summary>
/// <param name="strWKN">WKN, bzw. ID</param>
/// <param name="nQuantity">Stueckzahl</param>
/// <param name="sellDate">Verkaufsdatum</param>
public void Sell(string strWKN, int nQuantity, WorkDate sellDate)
{
if (m_positions.ContainsKey(strWKN))
{
DepotPosition depotposition = m_positions[strWKN];
nQuantity = Math.Min(nQuantity, depotposition.Quantity);
depotposition.Quantity -= nQuantity;
m_dCash += nQuantity * depotposition.Price * (1.0 - m_dProvisionRate);
m_nTrades++;
if (depotposition.Quantity == 0)
{
m_positions.RemoveAt(m_positions.IndexOfKey(strWKN));
}
System.Console.WriteLine("Sell {0}: {1} on {2}", depotposition.WKN, nQuantity, sellDate);
}
}
