public static List <HistoricalStock> DownloadData(string ticker, int yearToStartFrom)
{
List <HistoricalStock> retval = new List <HistoricalStock>();
using (WebClient web = new WebClient())
{
//string data = web.DownloadString(string.Format("http://ichart.finance.yahoo.com/table.csv?s={0}&c={1}", ticker, yearToStartFrom));
//string url =
// string.Format(
// "http://ichart.yahoo.com/table.csv?s={0}.TW&a=2&b=15&c={1}&d=0&e=31&f=2010&g=w&ignore=.csv",
// ticker, yearToStartFrom);
string url =
string.Format(
"http://ichart.finance.yahoo.com/table.csv?s={0}.TW&a=2&b=15&c={1}&d=0&e=31&f=2010&g=d&ignore=.csv",
ticker, yearToStartFrom);
string data = web.DownloadString(url);
//data = data.Replace("r", "");
data = data.Substring(data.IndexOfAny("0123456789".ToCharArray()));
//string[] rows = data.Split('n');
string[] rows = data.Split(new string[] { "\n", "\r\n" }, StringSplitOptions.RemoveEmptyEntries);
//First row is headers so Ignore it
for (int i = 0; i < rows.Length; i++)
{
if (rows[i].Replace("n", "").Trim() == "")
{
continue;
}
string[] cols = rows[i].Split(',');
HistoricalStock hs = new HistoricalStock();
hs.Date = Convert.ToDateTime(cols[0]);
hs.Open = Convert.ToDouble(cols[1]);
hs.High = Convert.ToDouble(cols[2]);
hs.Low = Convert.ToDouble(cols[3]);
hs.Close = Convert.ToDouble(cols[4]);
hs.Volume = Convert.ToDouble(cols[5]);
hs.AdjClose = Convert.ToDouble(cols[6]);
retval.Add(hs);
}
return(retval);
}
}
public static List<HistoricalStock> DownloadData(string ticker, int yearToStartFrom)
{
List<HistoricalStock> retval = new List<HistoricalStock>();
using (WebClient web = new WebClient())
{
string data = web.DownloadString(string.Format("http://ichart.finance.yahoo.com/table.csv?s={0}&c={1}", ticker, yearToStartFrom));
data = data.Replace("r", "");
//Ref: http://www.jarloo.com/get-historical-stock-data/
//string[] rows = data.Split('n');
string[] rows = data.Split('\n');
//First row is headers so Ignore it
for (int i = 1; i < rows.Length; i++)
{
if (rows[i].Replace("n", "").Trim() == "") continue;
string[] cols = rows[i].Split(',');
HistoricalStock hs = new HistoricalStock();
hs.Date = Convert.ToDateTime(cols[0]);
hs.Open = Convert.ToDouble(cols[1]);
hs.High = Convert.ToDouble(cols[2]);
hs.Low = Convert.ToDouble(cols[3]);
hs.Close = Convert.ToDouble(cols[4]);
hs.Volume = Convert.ToDouble(cols[5]);
hs.AdjClose = Convert.ToDouble(cols[6]);
retval.Add(hs);
}
return retval;
}
}