Exemple #1
0
        private void GenerateSchedule(DateTime asOf, DateTime startDate, DateTime endDate, DayCount dayCount, DayRule dayRule, CurveTenor tenor, StubPlacement stub = StubPlacement.NullStub)
        {
            // This only works for short stubs atm, although NullStub will generate a long stub

            DateTime AdjStart = DateHandling.AdjustDate(startDate, dayRule);
            DateTime AdjEnd   = DateHandling.AdjustDate(endDate, dayRule);

            string tenorString = EnumToStr.CurveTenor(tenor);
            string TenorLetter = DateHandling.GetTenorLetterFromTenor(tenorString);
            double TenorNumber = DateHandling.GetTenorNumberFromTenor(tenorString);


            int periods = CalculatePeriods(startDate, endDate, tenor);

            // Create estimate of how long the schedule should be
            //double YearsUpper = DateHandling.Cvg(AdjStart, AdjEnd, dayCount);
            //double YearLower = DateHandling.Cvg(AsOf, AdjStart, dayCount);


            // Will be sorted at end (when coverages are also calculated)
            UnAdjStartDates.Add(StartDate);
            UnAdjEndDates.Add(EndDate);
            AdjStartDates.Add(AdjStart);
            AdjEndDates.Add(AdjEnd);

            //if (StrToEnum.ConvertTenorLetter(TenorLetter) == Tenor.M)
            //{
            //    periods = periodsInMonths / (int)TenorNumber;

            //    //WholePeriods = periodsInMonths / (int) TenorNumber;
            //    //double tempPeriods = YearsUpper * 12 / TenorNumber;
            //    //WholePeriods = (int)Math.Truncate(tempPeriods);
            //}
            //else if (StrToEnum.ConvertTenorLetter(TenorLetter) == Tenor.Y)
            //{
            //    periods = periodsInMonths / (12 * (int)TenorNumber);

            //    //WholePeriods = (int) Math.Truncate(YearsUpper);
            //}
            //else
            //{
            //    throw new ArgumentException("Can only roll out swap calender for month and year tenors");
            //}

            if (stub == StubPlacement.Beginning)
            {
                periods += 1 * 12 / (int)Math.Round(TenorNumber);
                for (int i = 1; i < periods; i++)
                {
                    UnAdjEndDates.Add(DateHandling.AddTenorAdjust(UnAdjEndDates[i - 1], "-" + tenorString));
                    AdjEndDates.Add(DateHandling.AdjustDate(UnAdjEndDates[i], DayRule));
                    UnAdjStartDates.Add(UnAdjEndDates[i]);
                    AdjStartDates.Add(DateHandling.AdjustDate(UnAdjStartDates[i], DayRule));
                }
            }
            else if (stub == StubPlacement.End)
            {
                periods += 1 * 12 / (int)Math.Round(TenorNumber);
                for (int i = 1; i < periods; i++)
                {
                    UnAdjStartDates.Add(DateHandling.AddTenorAdjust(UnAdjStartDates[i - 1], tenorString));
                    AdjStartDates.Add(DateHandling.AdjustDate(UnAdjStartDates[i], DayRule));
                    UnAdjEndDates.Add(UnAdjStartDates[i]);
                    AdjEndDates.Add(DateHandling.AdjustDate(UnAdjEndDates[i], DayRule));
                }
            }
            else if (stub == StubPlacement.NullStub)
            {
                for (int i = 1; i < periods; i++)
                {
                    UnAdjEndDates.Add(DateHandling.AddTenorAdjust(UnAdjEndDates[i - 1], "-" + tenorString));
                    AdjEndDates.Add(DateHandling.AdjustDate(UnAdjEndDates[i], DayRule));
                    UnAdjStartDates.Add(UnAdjEndDates[i]);
                    AdjStartDates.Add(DateHandling.AdjustDate(UnAdjStartDates[i], DayRule));
                }
            }
            // Sort dates according to date
            UnAdjStartDates.Sort(new Comparison <DateTime>((x, y) => x.CompareTo(y)));
            UnAdjEndDates.Sort(new Comparison <DateTime>((x, y) => x.CompareTo(y)));
            AdjStartDates.Sort(new Comparison <DateTime>((x, y) => x.CompareTo(y)));
            AdjEndDates.Sort(new Comparison <DateTime>((x, y) => x.CompareTo(y)));


            for (int i = 0; i < AdjStartDates.Count; i++)
            {
                Coverages.Add(DateHandling.Cvg(AdjStartDates[i], AdjEndDates[i], DayCount));
            }
        }
Exemple #2
0
 private void ConstructZcbCurveFromDatesAndValues()
 {
     _tenorStr = EnumToStr.CurveTenor(Tenor);
     _zcbCurve = new MasterThesis.Curve(Dates, _zcbValues);
 }