public static void CalculateRSI()
{
IList <double> closePricesData = new List <double>();
closePricesData.Add(23.83);
closePricesData.Add(23.95);
closePricesData.Add(23.63);
closePricesData.Add(23.82);
closePricesData.Add(23.87);
RelativeStrengthIndex.Calculate(closePricesData.ToArray());
}
public static double[] CalculateRSI(string symbol, int window)
{
double[] closePrices = null;
using (InvestmentAnalysisContext context = new InvestmentAnalysisContext())
{
closePrices = context.HistoricalDataBlocks
.Where(q => q.Symbol.Equals(symbol))
.OrderByDescending(q => q.RecordDate)
.Take(window)
.Select(c => (double)c.LastPrice)
.ToArray();
}
return(RelativeStrengthIndex.Calculate(closePrices.Reverse().ToArray()));
}
