债券

赎回和到期日是根据票息数据计算的（如果有的话）。因此，传递的现金流中不得包含赎回金额。

class ql.Bond(settlementDays, calendar, issueDate, coupons)

start = ql.Date(15,12,2019)
maturity = ql.Date(15,12,2020)
schedule = ql.MakeSchedule(start, maturity, ql.Period('6M'))

interest = ql.FixedRateLeg(schedule, ql.Actual360(), [100.], [0.05])
bond = ql.Bond(0, ql.TARGET(), start, interest)

.bondYield(dayCounter, compounding, frequency, accuracy=1.0e-8, maxEvaluations=100)

.bondYield(cleanPrice, dayCounter, compounding, frequency, settlementDate=Date, accuracy=1.0e-8, maxEvaluations=100)

bond.bondYield(100, ql.Actual360(), ql.Compounded, ql.Annual)

.dirtyPrice()

bond.dirtyPrice()

.dirtyPrice(yield, dayCount, compounding, frequency)

bond.dirtyPrice(0.05, ql.Actual360(), ql.Compounded, ql.Annual)

零息债券

ql.ZeroCouponBond(settlementDays, calendar, faceAmount, maturityDate)

bond = ql.ZeroCouponBond(2, ql.TARGET(), 100, ql.Date(20,6,2020))

FixedRateBond

ql.FixedRateBond(settlementDays, calendar, faceAmount, startDate, maturityDate, tenor, coupon, paymentConvention)

ql.FixedRateBond(settlementDays, faceAmount, schedule, coupon, paymentConvention)

bond = ql.FixedRateBond(2, ql.TARGET(), 100.0, ql.Date(15,12,2019), ql.Date(15,12,2024), ql.Period('1Y'), [0.05], ql.ActualActual(ql.ActualActual.Bond))

分期偿还固定利率债券

ql.AmortizingFixedRateBond(settlementDays, notionals, schedule, coupons, accrualDayCounter, paymentConvention=Following, issueDate=Date())

notionals = [100,100,100,50]
schedule = ql.MakeSchedule(ql.Date(25,1,2018), ql.Date(25,1,2022), ql.Period('1y'))
bond = ql.AmortizingFixedRateBond(0, notionals, schedule, [0.03], ql.Thirty360(ql.Thirty360.USA))

浮动利率债券

ql.FloatingRateBond(settlementDays, faceAmount, schedule, index, dayCounter, paymentConvention)

schedule = ql.MakeSchedule(ql.Date(15,6,2020), ql.Date(15,6,2022), ql.Period('6m'))
index = ql.Euribor6M()
bond = ql.FloatingRateBond(2,100, schedule, index, ql.Actual360(), spreads=[0.01])

分期偿还浮动利率债券

ql.FloatingRateBond(settlementDays, notionals, schedule, index, dayCounter)

notional = [100, 50]
schedule = ql.MakeSchedule(ql.Date(15,6,2020), ql.Date(15,6,2022), ql.Period('1Y'))
index = ql.Euribor6M()
bond = ql.AmortizingFloatingRateBond(2, notional, schedule, index, ql.ActualActual(ql.ActualActual.Bond))

CMS利率债券

ql.CmsRateBond(settlementDays, faceAmount, schedule, index, dayCounter, paymentConvention, fixingDays, gearings, spreads, caps, floors)

schedule = ql.MakeSchedule(ql.Date(15,6,2020), ql.Date(15,6,2022), ql.Period('1Y'))
index = ql.EuriborSwapIsdaFixA(ql.Period('10y'))
bond = ql.CmsRateBond(2, 100, schedule, index, ql.Actual360(), ql.ModifiedFollowing, fixingDays=2, gearings=[1], spreads=[0], caps=[], floors=[])

可赎回债券

ql.CallableFixedRateBond(settlementDays, faceAmount, schedule, coupons, accrualDayCounter, paymentConvention, redemption, issueDate, putCallSchedule)

schedule = ql.MakeSchedule(ql.Date(15,6,2020), ql.Date(15,6,2022), ql.Period('1Y'))
putCallSchedule = ql.CallabilitySchedule()

my_price  = ql.BondPrice(100, ql.BondPrice.Clean)

putCallSchedule.append(
    ql.Callability(my_price, ql.Callability.Call, ql.Date(15,6,2021))
)

bond = ql.CallableFixedRateBond(2, 100, schedule, [0.01], ql.Actual360(), ql.ModifiedFollowing, 100, ql.Date(15,6,2020), putCallSchedule)

可转换债券

债券函数

bond = ql.FixedRateBond(
    2, ql.TARGET(), 100.0,
    ql.Date(15,12,2019), ql.Date(15,12,2024), ql.Period('1Y'),
    [0.05], ql.ActualActual(ql.ActualActual.Bond))

日期检查器

ql.BondFunctions.startDate(bond)
ql.BondFunctions.maturityDate(bond)
ql.BondFunctions.isTradable(bond)

现金流检查器

ql.BondFunctions.previousCashFlowDate(bond)
ql.BondFunctions.previousCashFlowDate(bond, ql.Date(15,12,2020))
ql.BondFunctions.previousCashFlowAmount(bond)
ql.BondFunctions.previousCashFlowAmount(bond, ql.Date(15,12,2020))
ql.BondFunctions.nextCashFlowDate(bond)
ql.BondFunctions.nextCashFlowDate(bond, ql.Date(15,12,2020))
ql.BondFunctions.nextCashFlowAmount(bond)
ql.BondFunctions.nextCashFlowAmount(bond, ql.Date(15,12,2020))

息票检查器

ql.BondFunctions.previousCouponRate(bond)
ql.BondFunctions.nextCouponRate(bond)
ql.BondFunctions.accrualStartDate(bond)
ql.BondFunctions.accrualEndDate(bond)
ql.BondFunctions.accrualPeriod(bond)
ql.BondFunctions.accrualDays(bond)
ql.BondFunctions.accruedPeriod(bond)
ql.BondFunctions.accruedDays(bond)
ql.BondFunctions.accruedAmount(bond)

收益率期限结构

crv = ql.FlatForward(2, ql.TARGET(), 0.04, ql.Actual360())
ql.BondFunctions.cleanPrice(bond, crv)
ql.BondFunctions.bps(bond, crv)
ql.BondFunctions.atmRate(bond, crv)

收益率（又称内部收益率，即IRR）函数

rate = ql.InterestRate(0.05, ql.Actual360(), ql.Compounded, ql.Annual)
ql.BondFunctions.cleanPrice(bond, rate)
ql.BondFunctions.bps(bond, rate)
ql.BondFunctions.duration(bond, rate)
ql.BondFunctions.convexity(bond, rate)
ql.BondFunctions.basisPointValue(bond, rate)
ql.BondFunctions.yieldValueBasisPoint(bond, rate)

Z利差函数

crv = ql.FlatForward(2, ql.TARGET(), 0.04, ql.Actual360())
ql.BondFunctions.zSpread(bond, 101, crv, ql.Actual360(), ql.Compounded, ql.Annual)