private void FundsPredict()
{
foreach (Fund fund in funds)
{
double chip = Think.Predict(fund);
double cost = chip * (double)fund.RealValue * 100;
fundTable.Select($"Code = '{fund.Code}'").FirstOrDefault()["Buy"] = Math.Round(cost, 0);
}
}
/// <summary>
/// 收益率计算
/// </summary>
/// <param name="fund"></param>
/// <param name="startTime"></param>
/// <param name="endTimeStart"></param>
/// <param name="endTimeEnd"></param>
/// <returns></returns>
public double YieldRate(Fund fund, DateTime startTime, DateTime endTimeStart, DateTime endTimeEnd)
{
//fund.CreateHistoryList();
double money = 100;
double costSum = 0.0; //花费
double earnSum = 0.0; //收益
double chipSum = 0.0;
double chipSumMax = double.MinValue;
double chipSumMin = double.MaxValue;
double moneyMax = double.MinValue;
double moneyMin = double.MaxValue;
double valueNow = 0.0;
//Think.Calculate(startTime, DateTime.Now, fund, out needFundValues, out fundPointsFinal, out t1, out t2);
DateTime endTime = DateTime.Now;
for (endTime = endTimeStart; endTime < endTimeEnd; endTime = endTime.AddDays(1))
{
Console.WriteLine(endTime);
Think.Calculate(startTime, endTime, fund);
if (!fund.HistoryDic.Keys.Contains(endTime))
{
continue;
}
int index = fund.HistoryList.FindIndex(x => x.Item1 > endTime);
if (index < 0)
{
break;
}
valueNow = fund.HistoryList[index].Item2;
double chip = Think.Predict(fund, valueNow, index - 1);
if (chip == 0)
{
continue; //没有变动
}
double cost = chip * fund.HistoryList[index].Item2; //花费
if (chip > 0)
{ //买入
//if (money - cost < 0)
//{
// cost = money;
// chip = cost / fund.HistoryList[index].Item2;
//}
money -= cost;
costSum += cost;
}
else if (chip < 0)
{ //卖出
//if (chipSum + chip < 0) chip = -chipSum;
cost = chip * fund.HistoryList[index].Item2;
earnSum -= cost;
money -= cost;
}
//记录最大最小值
if (money > moneyMax)
{
moneyMax = money;
}
if (money < moneyMin)
{
moneyMin = money;
}
chipSum += chip;
if (chipSum > chipSumMax)
{
chipSumMax = chipSum;
}
if (chipSum < chipSumMin)
{
chipSumMin = chipSum;
}
}
double rate = ((earnSum + chipSum * valueNow) / costSum - 1) * 100; //总收益率（%）
return(rate);
}