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); }