private static AnalyticsPrice CalculateAnalyticsPrice(IOrderedQueryable <HourlyShareRate> ratesOrderedByTimestamp)
{
if (!ratesOrderedByTimestamp.Any())
{
return(null);
}
return(new AnalyticsPrice
{
High = ratesOrderedByTimestamp.Max(r => r.Rate),
Low = ratesOrderedByTimestamp.Min(r => r.Rate),
Open = ratesOrderedByTimestamp.First().Rate,
Close = ratesOrderedByTimestamp.Last().Rate,
});
}