Get stock quotes from the Yahoo Finance API easily by just
//Create the quote service
var quote_service = new QuoteService();
//Get a quote
var quotes = quote_service.Quote("MSFT", "GOOG").Return(QuoteReturnParameter.Symbol,
QuoteReturnParameter.Name,
QuoteReturnParameter.LatestTradePrice,
QuoteReturnParameter.LatestTradeTime);
//Get info from the quotes
foreach (var quote in quotes)
{
Console.WriteLine("{0} - {1} - {2} - {3}", quote.Symbol, quote.Name, quote.LatestTradePrice, quote.LatestTradeTime);
}Get historical prices easily by just
//Create the historical price service
var historical_price_service = new HistoricalPriceService();
//Get the historical prices
var historical_prices = historical_price_service.Get("VTIAX", new DateTime(2014, 1, 1), DateTime.UtcNow, Period.Daily);
//Use the prices!
foreach (var price in historical_prices)
{
Console.WriteLine("{0} - {1} ", price.Date.ToString("MMM dd,yyyy"), price.Price);
}