public void testFairRate()
{
// Testing Eonia-swap calculation of fair fixed rate...
CommonVars vars = new CommonVars();
Period[] lengths = new Period[] { new Period(1, TimeUnit.Years), new Period(2, TimeUnit.Years), new Period(5, TimeUnit.Years), new Period(10, TimeUnit.Years), new Period(20, TimeUnit.Years) };
double[] spreads = { -0.001, -0.01, 0.0, 0.01, 0.001 };
for (int i = 0; i < lengths.Length; i++)
{
for (int j = 0; j < spreads.Length; j++)
{
OvernightIndexedSwap swap = vars.makeSwap(lengths[i], 0.0, spreads[j]);
swap = vars.makeSwap(lengths[i], swap.fairRate().Value, spreads[j]);
if (Math.Abs(swap.NPV()) > 1.0e-10)
{
QAssert.Fail("recalculating with implied rate:\n"
+ " length: " + lengths[i] + " \n"
+ " floating spread: "
+ (spreads[j]) + "\n"
+ " swap value: " + swap.NPV());
}
}
}
}
public void testBootstrap()
{
// Testing Eonia-swap curve building...
CommonVars vars = new CommonVars();
List <RateHelper> eoniaHelpers = new List <RateHelper>();
List <RateHelper> swap3mHelpers = new List <RateHelper>();
IborIndex euribor3m = new Euribor3M();
Eonia eonia = new Eonia();
for (int i = 0; i < depositData.Length; i++)
{
double rate = 0.01 * depositData[i].rate;
SimpleQuote simple = new SimpleQuote(rate);
Handle <Quote> quote = new Handle <Quote>(simple);
Period term = new Period(depositData[i].n, depositData[i].unit);
RateHelper helper = new DepositRateHelper(quote,
term,
depositData[i].settlementDays,
euribor3m.fixingCalendar(),
euribor3m.businessDayConvention(),
euribor3m.endOfMonth(),
euribor3m.dayCounter());
if (term <= new Period(2, TimeUnit.Days))
{
eoniaHelpers.Add(helper);
}
if (term <= new Period(3, TimeUnit.Months))
{
swap3mHelpers.Add(helper);
}
}
for (int i = 0; i < fraData.Length; i++)
{
double rate = 0.01 * fraData[i].rate;
SimpleQuote simple = new SimpleQuote(rate);
Handle <Quote> quote = new Handle <Quote>(simple);
RateHelper helper = new FraRateHelper(quote,
fraData[i].nExpiry,
fraData[i].nMaturity,
fraData[i].settlementDays,
euribor3m.fixingCalendar(),
euribor3m.businessDayConvention(),
euribor3m.endOfMonth(),
euribor3m.dayCounter());
swap3mHelpers.Add(helper);
}
for (int i = 0; i < eoniaSwapData.Length; i++)
{
double rate = 0.01 * eoniaSwapData[i].rate;
SimpleQuote simple = new SimpleQuote(rate);
Handle <Quote> quote = new Handle <Quote>(simple);
Period term = new Period(eoniaSwapData[i].n, eoniaSwapData[i].unit);
RateHelper helper = new OISRateHelper(eoniaSwapData[i].settlementDays,
term,
quote,
eonia);
eoniaHelpers.Add(helper);
}
for (int i = 0; i < swapData.Length; i++)
{
double rate = 0.01 * swapData[i].rate;
SimpleQuote simple = new SimpleQuote(rate);
Handle <Quote> quote = new Handle <Quote>(simple);
Period tenor = new Period(swapData[i].nIndexUnits, swapData[i].indexUnit);
Period term = new Period(swapData[i].nTermUnits, swapData[i].termUnit);
RateHelper helper = new SwapRateHelper(quote,
term,
vars.calendar,
vars.fixedSwapFrequency,
vars.fixedSwapConvention,
vars.fixedSwapDayCount,
euribor3m);
if (tenor == new Period(3, TimeUnit.Months))
{
swap3mHelpers.Add(helper);
}
}
PiecewiseYieldCurve <Discount, LogLinear> eoniaTS = new PiecewiseYieldCurve <Discount, LogLinear>(vars.today,
eoniaHelpers,
new Actual365Fixed());
PiecewiseYieldCurve <Discount, LogLinear> swapTS = new PiecewiseYieldCurve <Discount, LogLinear>(vars.today,
swap3mHelpers,
new Actual365Fixed());
vars.eoniaTermStructure.linkTo(eoniaTS);
// test curve consistency
double tolerance = 1.0e-10;
for (int i = 0; i < eoniaSwapData.Length; i++)
{
double expected = eoniaSwapData[i].rate;
Period term = new Period(eoniaSwapData[i].n, eoniaSwapData[i].unit);
OvernightIndexedSwap swap = vars.makeSwap(term, 0.0, 0.0);
double?calculated = 100.0 * swap.fairRate();
if (Math.Abs(expected - calculated.Value) > tolerance)
{
QAssert.Fail("curve inconsistency:\n"
+ " swap length: " + term + "\n"
+ " quoted rate: " + expected + "\n"
+ " calculated rate: " + calculated);
}
}
}