private void CheckStop(ViewData data, StockQuote quote /*, decimal dividends*/)
{
bool showAlert = false;
Decimal stopPrice = data.fixedStop;
if (data.fixedStop != 0 && data.fixedStop >= quote.close)
{
showAlert = true;
}
if (data.stopPercent != 0)
{
if (data.useTrailing)
{
Decimal highestClose = data.highestClose;
if (quote.highest > data.highestClose)
{
highestClose = quote.highest;
}
Decimal referencePrice = highestClose;
//if (data.useDividends)
// referencePrice -= dividends;
if (data.useOptions)
{
referencePrice -= data.options;
}
Decimal subtractedPercentage = referencePrice * data.stopPercent / 100;
stopPrice = referencePrice - subtractedPercentage;
if (quote.close <= stopPrice)
{
showAlert = true;
}
}
else
{
Decimal referencePrice = data.buyPrice;
//if (data.useDividends)
// referencePrice -= data.dividends;
if (data.useOptions)
{
referencePrice -= data.options;
}
Decimal subtractedPercentage = referencePrice * data.stopPercent / 100;
stopPrice = referencePrice - subtractedPercentage;
if (quote.close <= stopPrice)
{
showAlert = true;
}
}
}
if (showAlert)
{
StopAlert alert = new StopAlert {
symbol = data.symbol, close = quote.close, stop = stopPrice
};
stopAlerts.Add(alert);
}
}
//private double sumOfDividends = 0;
/// <summary>
/// Retrieves prices for a given stock/fund from the starting date to the present
/// </summary>
/// <param name="stock"> Stock symbol </param>
/// <param name="start"> Start date </param>
/// <returns> true if data received successfully, false if not </returns>
public override Task <bool> GetQuote(string stock, DateTime start, out StockQuote quote)
{
MarketData stockData = AlphaVantage.Stock(stock, AVTimeSeries.Stock_Daily, AVOutputSize.full, AlphaVantageAPIKey);
if (stockData == null)
{
quote.date = DateTime.Today;
quote.close = 0;
quote.highest = 0;
return(Task.FromResult(false));
}
int tries = 0;
while (stockData.Bars.Count == 0 && tries++ <= 5)
{
Thread.Sleep(10000);
stockData = AlphaVantage.Stock(stock, AVTimeSeries.Stock_Daily, AVOutputSize.full, AlphaVantageAPIKey);
if (stockData == null)
{
quote.date = DateTime.Today;
quote.close = 0;
quote.highest = 0;
return(Task.FromResult(false));
}
}
if (stockData.Bars.Count == 0)
{
quote.date = DateTime.Today;
quote.close = 0;
quote.highest = 0;
return(Task.FromResult(false));
}
DateTime date = DateTime.Today;
double close = 0;
double highest = 0;
bool first = true;
foreach (var item in stockData.Bars)
{
if (first)
{
date = item.Key;
close = item.Value.close;
first = false;
}
if (item.Value.close > highest)
{
highest = item.Value.close;
}
//if (item.Value.dividend_amount != 0)
// sumOfDividends += item.Value.dividend_amount;
if (item.Key < start)
{
break;
}
}
quote.date = date;
quote.close = (decimal)close;
quote.highest = (decimal)highest;
return(Task.FromResult(true));
}
/// <summary>
/// Retrieves dividends for a given stock/fund from the starting date to the present
/// </summary>
/// <param name="stock"> Stock symbol </param>
/// <param name="start"> Start date </param>
/// <returns> true if data received successfully, false if not </returns>
//public abstract Task<bool> GetDividends(string stock, DateTime start, out decimal dividends);
public abstract Task <bool> GetCryptoQuote(string currency, DateTime start, out StockQuote quote);
/// <summary> /// Retrieves prices for a given stock/fund from the starting date to the present /// </summary> /// <param name="stock"> Stock symbol </param> /// <param name="start"> Start date </param> /// <returns> true if data received successfully, false if not </returns> public abstract Task <bool> GetQuote(string stock, DateTime start, out StockQuote quote);
StockQuote ConvertCSVQuote(string csv)
{
string[][] table = CsvTextToStringTable(csv, ',');
Decimal highestClose = 0, lastClose = 0, close = 0;
DateTime lastDate = new DateTime(1970, 1, 1);
if (table.Length > 1)
{
for (int i = 1; i <= table.Length - 1; i++)
{
if (table[i].Length == 7)
{
DateTime t1;
double t2;
double t3;
double t4;
double t5;
double t6;
long t7;
if (System.DateTime.TryParse(table[i][0], ci, System.Globalization.DateTimeStyles.None, out t1) &&
double.TryParse(table[i][1], System.Globalization.NumberStyles.Currency, ci, out t2) &&
double.TryParse(table[i][2], System.Globalization.NumberStyles.Currency, ci, out t3) &&
double.TryParse(table[i][3], System.Globalization.NumberStyles.Currency, ci, out t4) &&
double.TryParse(table[i][4], System.Globalization.NumberStyles.Currency, ci, out t5) &&
double.TryParse(table[i][6], System.Globalization.NumberStyles.Currency, ci, out t6) &&
long.TryParse(table[i][5], System.Globalization.NumberStyles.Integer, ci, out t7))
{
//qd.TradingDate = t1;
//qd.Open = t2;
//qd.High = t3;
//qd.Low = t4;
//qd.Close = t5;
//qd.CloseAdjusted = t6;
//qd.Volume = t7;
if (i == 1)
{
lastDate = t1;
lastClose = (Decimal)t5;
}
close = (Decimal)t5;
if (close > highestClose)
highestClose = close;
//lst.Add(qd);
}
}
}
}
StockQuote quote = new StockQuote(lastDate, lastClose, highestClose);
return quote;
}
/// <summary>
/// Retrieves prices for a given stock/fund from the starting date to the present
/// </summary>
/// <param name="stock"> Stock symbol </param>
/// <param name="start"> Start date </param>
/// <returns> true if data received successfully, false if not </returns>
public override bool GetQuote(string stock, DateTime start, out StockQuote quote)
{
string url = DownloadURL(stock, start, DateTime.Now, false);
string msg = String.Format("GetQuote URL = {0}", url);
Logger.Log(msg);
try
{
string csvData = client.DownloadString(url);
quote = ConvertCSVQuote(csvData);
Logger.Log(csvData);
if (quote.close == 0 && quote.date.Year == 1970 && quote.highest == 0)
return false;
}
catch (WebException e)
{
MessageBox.Show("Download quote failed for " + stock + " : " + e.Message);
quote = new StockQuote(new DateTime(1900, 1, 1), 0, 0);
return false;
}
return true;
}
/// <summary> /// Retrieves prices for a given stock/fund from the starting date to the present /// </summary> /// <param name="stock"> Stock symbol </param> /// <param name="start"> Start date </param> /// <returns> true if data received successfully, false if not </returns> public abstract bool GetQuote(string stock, DateTime start, out StockQuote quote);
