public void testCurveConsistency <T, I, B>(CommonVars vars, I interpolator, double tolerance)
where T : ITraits <YieldTermStructure>, new()
where I : IInterpolationFactory, new()
where B : IBootStrap <PiecewiseYieldCurve>, new()
{
vars.termStructure = new PiecewiseYieldCurve <T, I, B>(vars.settlement, vars.instruments,
new Actual360(), new List <Handle <Quote> >(), new List <Date>(), 1.0e-12, interpolator);
RelinkableHandle <YieldTermStructure> curveHandle = new RelinkableHandle <YieldTermStructure>();
curveHandle.linkTo(vars.termStructure);
// check deposits
for (int i = 0; i < vars.deposits; i++)
{
Euribor index = new Euribor(new Period(vars.depositData[i].n, vars.depositData[i].units), curveHandle);
double expectedRate = vars.depositData[i].rate / 100,
estimatedRate = index.fixing(vars.today);
QAssert.IsTrue(Math.Abs(expectedRate - estimatedRate) < tolerance,
vars.depositData[i].n + " "
+ (vars.depositData[i].units == TimeUnit.Weeks ? "week(s)" : "month(s)")
+ " deposit:"
+ "\n estimated rate: " + estimatedRate
+ "\n expected rate: " + expectedRate);
}
// check swaps
IborIndex euribor6m = new Euribor6M(curveHandle);
for (int i = 0; i < vars.swaps; i++)
{
Period tenor = new Period(vars.swapData[i].n, vars.swapData[i].units);
VanillaSwap swap = new MakeVanillaSwap(tenor, euribor6m, 0.0)
.withEffectiveDate(vars.settlement)
.withFixedLegDayCount(vars.fixedLegDayCounter)
.withFixedLegTenor(new Period(vars.fixedLegFrequency))
.withFixedLegConvention(vars.fixedLegConvention)
.withFixedLegTerminationDateConvention(vars.fixedLegConvention);
double expectedRate = vars.swapData[i].rate / 100,
estimatedRate = swap.fairRate();
double error = Math.Abs(expectedRate - estimatedRate);
QAssert.IsTrue(error < tolerance,
vars.swapData[i].n + " year(s) swap:\n"
+ "\n estimated rate: " + estimatedRate
+ "\n expected rate: " + expectedRate
+ "\n error: " + error
+ "\n tolerance: " + tolerance);
}
// check bonds
vars.termStructure = new PiecewiseYieldCurve <T, I, B>(vars.settlement, vars.bondHelpers,
new Actual360(), new List <Handle <Quote> >(), new List <Date>(), 1.0e-12, interpolator);
curveHandle.linkTo(vars.termStructure);
for (int i = 0; i < vars.bonds; i++)
{
Date maturity = vars.calendar.advance(vars.today, vars.bondData[i].n, vars.bondData[i].units);
Date issue = vars.calendar.advance(maturity, -vars.bondData[i].length, TimeUnit.Years);
List <double> coupons = new List <double>()
{
vars.bondData[i].coupon / 100.0
};
FixedRateBond bond = new FixedRateBond(vars.bondSettlementDays, 100.0,
vars.schedules[i], coupons,
vars.bondDayCounter, vars.bondConvention,
vars.bondRedemption, issue);
IPricingEngine bondEngine = new DiscountingBondEngine(curveHandle);
bond.setPricingEngine(bondEngine);
double expectedPrice = vars.bondData[i].price,
estimatedPrice = bond.cleanPrice();
QAssert.IsTrue(Math.Abs(expectedPrice - estimatedPrice) < tolerance,
i + 1 + " bond failure:" +
"\n estimated price: " + estimatedPrice +
"\n expected price: " + expectedPrice);
}
// check FRA
vars.termStructure = new PiecewiseYieldCurve <T, I, B>(vars.settlement, vars.fraHelpers,
new Actual360(), new List <Handle <Quote> >(), new List <Date>(), 1.0e-12, interpolator);
curveHandle.linkTo(vars.termStructure);
IborIndex euribor3m = new Euribor3M(curveHandle);
for (int i = 0; i < vars.fras; i++)
{
Date start = vars.calendar.advance(vars.settlement,
vars.fraData[i].n,
vars.fraData[i].units,
euribor3m.businessDayConvention(),
euribor3m.endOfMonth());
Date end = vars.calendar.advance(start, 3, TimeUnit.Months,
euribor3m.businessDayConvention(),
euribor3m.endOfMonth());
ForwardRateAgreement fra = new ForwardRateAgreement(start, end, Position.Type.Long, vars.fraData[i].rate / 100,
100.0, euribor3m, curveHandle);
double expectedRate = vars.fraData[i].rate / 100,
estimatedRate = fra.forwardRate().rate();
QAssert.IsTrue(Math.Abs(expectedRate - estimatedRate) < tolerance,
i + 1 + " FRA failure:" +
"\n estimated rate: " + estimatedRate +
"\n expected rate: " + expectedRate);
}
}
static void Main()
{
DateTime timer = DateTime.Now;
/*********************
*** MARKET DATA ***
*********************/
RelinkableHandle <YieldTermStructure> euriborTermStructure = new RelinkableHandle <YieldTermStructure>();
IborIndex euribor3m = new Euribor3M(euriborTermStructure);
Date todaysDate = new Date(23, Month.May, 2006);
Settings.setEvaluationDate(todaysDate);
Calendar calendar = euribor3m.fixingCalendar();
int fixingDays = euribor3m.fixingDays();
Date settlementDate = calendar.advance(todaysDate, fixingDays, TimeUnit.Days);
Console.WriteLine("Today: " + todaysDate.DayOfWeek + ", " + todaysDate);
Console.WriteLine("Settlement date: " + settlementDate.DayOfWeek + ", " + settlementDate);
// 3 month term FRA quotes (index refers to monthsToStart)
double[] threeMonthFraQuote = new double[10];
threeMonthFraQuote[1] = 0.030;
threeMonthFraQuote[2] = 0.031;
threeMonthFraQuote[3] = 0.032;
threeMonthFraQuote[6] = 0.033;
threeMonthFraQuote[9] = 0.034;
/********************
*** QUOTES ***
********************/
// SimpleQuote stores a value which can be manually changed;
// other Quote subclasses could read the value from a database
// or some kind of data feed.
// FRAs
SimpleQuote fra1x4Rate = new SimpleQuote(threeMonthFraQuote[1]);
SimpleQuote fra2x5Rate = new SimpleQuote(threeMonthFraQuote[2]);
SimpleQuote fra3x6Rate = new SimpleQuote(threeMonthFraQuote[3]);
SimpleQuote fra6x9Rate = new SimpleQuote(threeMonthFraQuote[6]);
SimpleQuote fra9x12Rate = new SimpleQuote(threeMonthFraQuote[9]);
RelinkableHandle <Quote> h1x4 = new RelinkableHandle <Quote>(); h1x4.linkTo(fra1x4Rate);
RelinkableHandle <Quote> h2x5 = new RelinkableHandle <Quote>(); h2x5.linkTo(fra2x5Rate);
RelinkableHandle <Quote> h3x6 = new RelinkableHandle <Quote>(); h3x6.linkTo(fra3x6Rate);
RelinkableHandle <Quote> h6x9 = new RelinkableHandle <Quote>(); h6x9.linkTo(fra6x9Rate);
RelinkableHandle <Quote> h9x12 = new RelinkableHandle <Quote>(); h9x12.linkTo(fra9x12Rate);
/*********************
*** RATE HELPERS ***
*********************/
// RateHelpers are built from the above quotes together with
// other instrument dependant infos. Quotes are passed in
// relinkable handles which could be relinked to some other
// data source later.
DayCounter fraDayCounter = euribor3m.dayCounter();
BusinessDayConvention convention = euribor3m.businessDayConvention();
bool endOfMonth = euribor3m.endOfMonth();
RateHelper fra1x4 = new FraRateHelper(h1x4, 1, 4,
fixingDays, calendar, convention,
endOfMonth, fraDayCounter);
RateHelper fra2x5 = new FraRateHelper(h2x5, 2, 5,
fixingDays, calendar, convention,
endOfMonth, fraDayCounter);
RateHelper fra3x6 = new FraRateHelper(h3x6, 3, 6,
fixingDays, calendar, convention,
endOfMonth, fraDayCounter);
RateHelper fra6x9 = new FraRateHelper(h6x9, 6, 9,
fixingDays, calendar, convention,
endOfMonth, fraDayCounter);
RateHelper fra9x12 = new FraRateHelper(h9x12, 9, 12,
fixingDays, calendar, convention,
endOfMonth, fraDayCounter);
/*********************
** CURVE BUILDING **
*********************/
// Any DayCounter would be fine.
// ActualActual::ISDA ensures that 30 years is 30.0
DayCounter termStructureDayCounter = new ActualActual(ActualActual.Convention.ISDA);
double tolerance = 1.0e-15;
// A FRA curve
List <RateHelper> fraInstruments = new List <RateHelper>();
fraInstruments.Add(fra1x4);
fraInstruments.Add(fra2x5);
fraInstruments.Add(fra3x6);
fraInstruments.Add(fra6x9);
fraInstruments.Add(fra9x12);
YieldTermStructure fraTermStructure = new PiecewiseYieldCurve <Discount, LogLinear>(
settlementDate, fraInstruments, termStructureDayCounter,
new List <Handle <Quote> >(), new List <Date>(), tolerance);
// Term structures used for pricing/discounting
RelinkableHandle <YieldTermStructure> discountingTermStructure = new RelinkableHandle <YieldTermStructure>();
discountingTermStructure.linkTo(fraTermStructure);
/***********************
*** construct FRA's ***
***********************/
Calendar fraCalendar = euribor3m.fixingCalendar();
BusinessDayConvention fraBusinessDayConvention = euribor3m.businessDayConvention();
Position.Type fraFwdType = Position.Type.Long;
double fraNotional = 100.0;
const int FraTermMonths = 3;
int[] monthsToStart = new [] { 1, 2, 3, 6, 9 };
euriborTermStructure.linkTo(fraTermStructure);
Console.WriteLine("\nTest FRA construction, NPV calculation, and FRA purchase\n");
int i;
for (i = 0; i < monthsToStart.Length; i++)
{
Date fraValueDate = fraCalendar.advance(
settlementDate, monthsToStart[i], TimeUnit.Months,
fraBusinessDayConvention);
Date fraMaturityDate = fraCalendar.advance(
fraValueDate, FraTermMonths, TimeUnit.Months,
fraBusinessDayConvention);
double fraStrikeRate = threeMonthFraQuote[monthsToStart[i]];
ForwardRateAgreement myFRA = new ForwardRateAgreement(fraValueDate, fraMaturityDate,
fraFwdType, fraStrikeRate,
fraNotional, euribor3m,
discountingTermStructure);
Console.WriteLine("3m Term FRA, Months to Start: " + monthsToStart[i]);
Console.WriteLine("strike FRA rate: {0:0.00%}", fraStrikeRate);
Console.WriteLine("FRA 3m forward rate: {0:0.00%}", myFRA.forwardRate());
Console.WriteLine("FRA market quote: {0:0.00%}", threeMonthFraQuote[monthsToStart[i]]);
Console.WriteLine("FRA spot value: " + myFRA.spotValue());
Console.WriteLine("FRA forward value: " + myFRA.forwardValue());
Console.WriteLine("FRA implied Yield: {0:0.00%}",
myFRA.impliedYield(myFRA.spotValue(), myFRA.forwardValue(), settlementDate, Compounding.Simple, fraDayCounter));
Console.WriteLine("market Zero Rate: {0:0.00%}",
discountingTermStructure.link.zeroRate(fraMaturityDate, fraDayCounter, Compounding.Simple));
Console.WriteLine("FRA NPV [should be zero]: {0}\n", myFRA.NPV());
}
Console.WriteLine("\n");
Console.WriteLine("Now take a 100 basis-point upward shift in FRA quotes and examine NPV\n");
const double BpsShift = 0.01;
threeMonthFraQuote[1] = 0.030 + BpsShift;
threeMonthFraQuote[2] = 0.031 + BpsShift;
threeMonthFraQuote[3] = 0.032 + BpsShift;
threeMonthFraQuote[6] = 0.033 + BpsShift;
threeMonthFraQuote[9] = 0.034 + BpsShift;
fra1x4Rate.setValue(threeMonthFraQuote[1]);
fra2x5Rate.setValue(threeMonthFraQuote[2]);
fra3x6Rate.setValue(threeMonthFraQuote[3]);
fra6x9Rate.setValue(threeMonthFraQuote[6]);
fra9x12Rate.setValue(threeMonthFraQuote[9]);
for (i = 0; i < monthsToStart.Length; i++)
{
Date fraValueDate = fraCalendar.advance(
settlementDate, monthsToStart[i], TimeUnit.Months,
fraBusinessDayConvention);
Date fraMaturityDate = fraCalendar.advance(
fraValueDate, FraTermMonths, TimeUnit.Months,
fraBusinessDayConvention);
double fraStrikeRate = threeMonthFraQuote[monthsToStart[i]] - BpsShift;
ForwardRateAgreement myFRA = new ForwardRateAgreement(fraValueDate, fraMaturityDate,
fraFwdType, fraStrikeRate,
fraNotional, euribor3m,
discountingTermStructure);
Console.WriteLine("3m Term FRA, 100 notional, Months to Start: " + monthsToStart[i]);
Console.WriteLine("strike FRA rate: {0:0.00%}", fraStrikeRate);
Console.WriteLine("FRA 3m forward rate: {0:0.00%}", myFRA.forwardRate());
Console.WriteLine("FRA market quote: {0:0.00%}", threeMonthFraQuote[monthsToStart[i]]);
Console.WriteLine("FRA spot value: " + myFRA.spotValue());
Console.WriteLine("FRA forward value: " + myFRA.forwardValue());
Console.WriteLine("FRA implied Yield: {0:0.00%}",
myFRA.impliedYield(myFRA.spotValue(), myFRA.forwardValue(), settlementDate, Compounding.Simple, fraDayCounter));
Console.WriteLine("market Zero Rate: {0:0.00%}",
discountingTermStructure.link.zeroRate(fraMaturityDate, fraDayCounter, Compounding.Simple));
Console.WriteLine("FRA NPV [should be positive]: {0}\n", myFRA.NPV());
}
Console.WriteLine(" \nRun completed in {0}", DateTime.Now - timer);
Console.WriteLine();
Console.Write("Press any key to continue ...");
Console.ReadKey();
}
