All Questions
Tagged with fixed-income bond
330
questions
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Factor model bond futures
I was reading the Lehman Brother Multifactor Futures Model and there are a few things I don't understand in the way they implement their model.
Firstly, they look at the fitted yields. When they look ...
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0
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30
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Accrued interest need day counts, but day count conventions return year fractions [closed]
As far as I understand, the formula for accrued interest is $acc = couponInterest\cdot \frac{accruedDays}{couponDays}$.
But that fraction: $\frac{accruedDays}{couponDays}$, depends on the day count ...
0
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39
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Are there closed formulas for non-callable defaultable floating rates in a reduced form models?
currently, I am evaluating for my company the possibility to price defaultable bonds with stochastic default intensity. Precisely, I am considering using the G2++ model where one factor is the ...
- 1
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1
answer
80
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Short bond convexity
Assuming you need to pick a bond to short. Is it better a bond with large or small convexity (all other things being equal)?
- 33
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42
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How to value 3mo SOFR Spreads one year out, 2yr out
How does one value a 3mo spread spread in the far out future from present if fomc meeting schedule is only published for one year, and even with fomc's dot plot, it just shows the median expectation ...
- 11
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71
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Modified Duration vs. Real-World Bond Price and Yield Changes
We know that modified duration at time $t$ of a bond with maturity $n$ is defined as:
$$
D_{nt} = - \frac{1}{P_{nt}} \frac{\partial{P_{nt}}}{\partial y_{nt}}
$$
And the definition of a derivative is:
$...
3
votes
0
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48
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What is the Italian BTP yield calculation in last period?
I chose this example becuase it highlight two aspects I can't reverse engineer and can't find any official source documentation.
BTP: IT0005518128: 1/Nov/2022 -> 1/May/2033 at 4.4%.
If this bond is ...
- 11k
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1
answer
76
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Proving that Convexity approx. equals Duration squared but something goes wrong?
I am trying to derive a formula for bond convexity that I saw in a textbook which states that
$$\text{convexity} = \frac{\text{Macaulay duration}^2 + \text{Macaulay duration} + \text{dispersion}}{(1+\...
- 281
1
vote
1
answer
195
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Estimating the price of an illiquid 5y bond futures contract
Say I know the price of 10y Gilt futures, 10y Treasury futures, 5y Treasury futures, and GBPUSD futures.
I am asked to produce a quote on 5y Gilt futures using only this data. What is a sensible ...
- 13
2
votes
1
answer
68
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Parallel shift in spot yield curve moves the IRR of a bond portfolio in the same direction: Analytical Proof
I am trying to prove that a parallel shift in the spot yield curve will as its effect have the IRR of a bond portfolio move in the same direction and by the same amount.
I have tested this on few ...
- 281
1
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40
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Market Data UST
There a lot of new market data providers for retail algo traders.
For example the famous one for option is Theta Data Net and for Equities it is Polygon IO. You basically get all the greek/price data ...
1
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0
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72
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Bond Basis (non CTD)
I had a query regarding the trading of non CTD (but deliverable) basis. Obviously someone can buy non CTD basis (buy cash / sell bond future), with the hopes this widens, clearly I would not want to ...
- 598
5
votes
1
answer
277
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Recommended Setup for QuantLib-Python AmortizingFloatingRateBond
I am trying to model a term loan in QuantLib-Python that makes quarterly interest payments at CME Term SOFR 3M + 10bps + 525bps paid in arrears with a 2 business ...
- 64
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85
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Why is accrued interest prorated linearly?
Cashflows from coupons and principal are discounted using the YTM to get PV of the bond in dirty price.
as shown here in this question
Misunderstanding of 'day counts' and accrued interest
...
3
votes
1
answer
226
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Calculating spread on a par rate curve given bond’s coupon and yield
In Tuckman and Serrat’s Fixed Income Securities, they give an example of a bond and state its coupon and yield.
They also provide an HQM par rate curve and quote the bond’s spread to this curve.
How ...
- 31