public virtual decimal GetAbsoluteGain(decimal?curPrice, decimal?clPrice, decimal opPrice,
int opWeight, decimal dividends, TradeTypesDTO type)
{
var usePrice = curPrice ?? clPrice.Value;
decimal absGain;
if (type == TradeTypesDTO.Long)
{
absGain = (usePrice + dividends - opPrice) * opWeight;
}
else
{
absGain = (opPrice - dividends - usePrice) * opWeight;
}
return(absGain);
}
public decimal GetGain(decimal?curPrice, decimal?clPrice, decimal opPrice,
int opWeight, decimal dividends, TradeTypesDTO type)
{
decimal gain;
if (opPrice == 0 || opWeight == 0)
{
gain = 0;
}
else
{
var absGain = GetAbsoluteGain(curPrice, clPrice, opPrice, opWeight, dividends, type);
gain = absGain / (opPrice * opWeight);
}
return(gain);
}
public TradeInforamation GetMaxGainForSymbolBetweenDate(DateTime dateFrom, DateTime dateTo, int symbolId, TradeTypesDTO type)
{
var tradeDates = db.TradeSybols.GetMaxDateForGainForSymbol(dateFrom, dateTo, symbolId);
if (type == TradeTypesDTO.Long)
{
return(tradeDates.FirstOrDefault());
}
else
{
return(tradeDates.Skip(1).FirstOrDefault());
}
}
