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Questions tagged [yield-curve]

A yield curve is a plot of yields for various bonds (often government bonds) versus the bonds' maturities. We also often plot swap and other LIBOR rates to get the (related) swap curve.

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2 answers
557 views

Bootstrapping semi annual bond

I have a bond that pays out semi-annually. The coupon is 0.14, which means it pays 0.7 after 6 months, and then 100.7 after another 6 months. I need to find the discount factors by bootstrapping. Is ...
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1 answer
61 views

Double interpolation continuity

I am trying to use double interpolation(linear and forward quartic) but the interpolator is the zero coupon so at each time i need to convert the instantaneous forward rate to zc my problem is at the ...
1 vote
1 answer
115 views

Does PCA for yield curve has any tangible value?

I am aware of an abundant literature on Principal Component Analysis (PCA) application for yield curves. All of these papers to me look merely a statistics-oriented results. Most of the papers argue ...
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1 answer
53 views

Yield to Maturity (YTM) to Zero Coupon Yield Curve (ZCYC) Forward Rate and Discount Factor mismatch in QuantLib

I have a set of YTM data for various tenors, and I'm constructing a ZCYC using the QuantLib library. However, when I calculate the forward rates and discount factors from the ZCYC and compare them ...
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0 answers
18 views

Construct DeFi yield curve

I was wondering if anyone knows how to construct a yield curve for cryptocurrencies (for yTokens like yDAI and yETH for example). It'd be best if yield curves could be dynamic (though I think it could ...
5 votes
3 answers
318 views

How would you build a yield curve for a cryptocurrency with only a perpetual futures market?

Assuming that hourly/daily funding rates are autocorrelated and revert to a long term mean, then perhaps the following would work: Use the average of the last N day funding rate as as predictor of the ...
0 votes
1 answer
357 views

Converting US Treasury CMT to Discount Yields

I'd like to convert the US Treasury Constant Maturity series (par, semi-annual coupon, Actual/365 daycount convention) into Discount Factors (for appropriate comparison for certain money-market series,...
0 votes
2 answers
105 views

Shape of Yield curve of ZCB under no-arbitrage

Sorry if the question is somewhat elementary, but I have thought about it for a while and I cannot figure out where my mistake is. Suppose we are in are in an arbitrage-free market in which risk-free ...
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0 answers
40 views

Interpolation by central bank cometee meeting dates

I want to have an interpolation, to the yield curve, In the term up to a year, the forward daily curves will be the same between central bank cometee meeting dates (to be precice, the implemantation ...
0 votes
1 answer
755 views

Yield Curve Flattening Trade

Relatively simple question, but came upon it in class and have not been able to come up with an answer: The two-year bond yield is equal to 4% while the 10-year one is equal to 10%. You want to put ...
2 votes
2 answers
6k views

Par and Zero Coupon Yield Curves

The government par yield curve shows a marginally lower yield than the Government zero coupon curve. What is the reason for this in general.
1 vote
1 answer
1k views

BootStrap with quantlib USD SOFR (vs. FIXED RATE) swap curve

I struggle to understand why my market rates does not match my bootstrap model. So I wonder why the spread is that high between market & model. ...
2 votes
1 answer
104 views

Cubic Spline Interpolation partial derivative to the point

Still didn't figure out this, so looking for some help, kindly apppreciated. By this blog https://blog.timodenk.com/cubic-spline-interpolation/index.html, the piecewise cubic spline interpolation is ...
1 vote
2 answers
155 views

Yield curve and bond price

I am confused about how the yield curve is built and how it relates to the pricing of bonds. First what I don't understand is that when people talk about the yield curve, which yield curve are they ...
3 votes
2 answers
1k views

Construct a butterfly interest rate portfolio to eliminate PCA exposures

I have data from 2012 to 2016 for interest rates whose term range from 2 month to 30 years, a total of 10 Principal components can be calculated. Then I want to construct a portfolio, $$WFLY = w_1 *5Y ...
1 vote
1 answer
139 views

Explicit step by step curve construction using FRAs

I'm trying to understand a step by step process of building curve from the instruments to the final result, particularly how overlapped FRAs are used. i'm trying to build this in excel so I have a ...
1 vote
1 answer
73 views

How to compute discount factor from yield curve when there are two daycounts in play?

Let's say I have a yield curve, i.e. a series of times $t_1, ..., t_n$ and associated rates $r_{t_1}, ..., r_{t_n}$, such that my discount factors are $DF_{t_i} = (1+r_{t_i})^{(-t_i)}$. The curve has ...
0 votes
1 answer
82 views

Bootstrapping adjustment for coupon

I struggling to get why in bootstrapping I need to divide the YTM by 2 (for semiannual coupons) and not adjust the power for the semiannual period. Please see below example. Consider two bonds with a ...
0 votes
0 answers
34 views

Relationship Between the Equity Funding Curve and Equity Forward Curve

am trying to understand the core concepts of Equity Forwards Curve, Funding Curve and yield Curves (most sources online seem to focus on Interest rate related examples, so any sources for equity ...
0 votes
1 answer
147 views

Relationship of par-curve and zero-curve/spot-curve

I've been trying to bootstrap the zero-curve from a swap curve composed of ESTR OIS swaps. Theory says when the par-curve is upward sloping, the zero-curve will be above the par-curve and vice-versa. ...
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0 answers
49 views

Why isn't the volatility version of the Nelson-Siegel model in the same shape as the original yield model?

If we compare the form of the original model: https://edisciplinas.usp.br/pluginfile.php/3180059/mod_resource/content/0/Nelson%2C%20Siegel%20%281987%29%20-%20Parsimonious%20Modeling%20of%20Yield%...
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0 answers
47 views

Benchmark Treasury Curve Data

I want to calibrate US treasury bonds to get a benchmark curve as an exercise. I know that choice of bonds may be discretionary. But can you point me to any good public data source where I can get ...
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31 views

How Zero Discount factors are calculated in Oracle and Wellstreetprep?

I've some inquiries that may be naive related to ZDF. I have got a look at those two resources for zero discount factors: Oracle - Zero Discount Factors Wallstreetprep - Discount Factor ...
0 votes
2 answers
219 views

Bootstrapping the zero-curve/spot-curve from incomplete swap curve par-rates

TL;DR: I have an incomplete set of swap rates and want to bootstrap the zero-rate curve, what can I do? I'm trying to construct a spot-rate/zero-rate curve from a swap curve (i.e. par-rate quotes) ...
0 votes
2 answers
165 views

Mathematical meaning of an inverted yield curve

I am currently working on rates model. I would like to understand, mathematically, what does it mean to have an inverted yield curve? And I am asking myself for a certain model, how can I generate an ...
1 vote
0 answers
31 views

Multiple factor Hull-While and yield curve deformation

I am currently studying rate models and I understand that the One-Factor model has some incompleteness: The yield-curve can only be shifted. But I don’t understand what parameter controls this shift ( ...
0 votes
0 answers
126 views

Methods for Constructing a Yield Curve

I wonder if the Raw interpolation (known as linear on the log of discount factors) can handle negative interest rate due to the inverted yield curve? I understand using the linear on log of rates and ...
0 votes
0 answers
37 views

Liquidity Preference Hypothesis and Yield Curve

Unlike under the Expectation Hypothesis (for which the forwards are perfect predictors of the expected short rates), for the LPH forward=expected short rates + LP and consequently the expected short ...
0 votes
1 answer
91 views

QuantLib FittedBondDiscountCurve does not produce expected rates

I am using the QuantLib library to fit yield curves. For a $\\\$100$ face bond, with price equal to $\\\$100$, and coupon equal to $\\\$0$, I would expect it to provide a zeroRate of $0.0\%$. However, ...
33 votes
2 answers
59k views

What is the Swap Curve?

What is the so-called Swap Curve, and how does it relate to the Zero Curve (or spot yield curve)? Does it only refer to a curve of swap rates versus maturities found in the market? Or is it a swap ...
1 vote
0 answers
180 views

Convert US Treasury par yields to spot rates

I'm devising a methodology to transform par yield to spot rates, I'd like to stick with pure python as much as possible so not really after Quantlib (or other libraries) examples. In particular I want ...
0 votes
0 answers
68 views

Quantlib Bond yield jump on front end of the curve

I'm trying to build up a US treasury curves using Bills and bonds with the FixedRateBond class, however when I compared the ParYield from .bondYield() and zero_rate from yield curve instance. The ...
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0 answers
78 views

Constructing the FedFunds Yield Curve with jumps at FOMC meetings

When constructing the FedFunds yield curve I want to define the curve based on two separate interpolation schemes. The first on the short end being LogLinear on the discount factors between FOMC ...
1 vote
0 answers
48 views

Can I use Nielson Siegel to 'interpolate' par yield

The NS model initially set a parametric form for forwards and we can get equivalent zero rates. If I have a few par yields, can I simply fit the par yields to the NS form or the NS form of the zero ...
3 votes
0 answers
128 views

True or false: roll-down return is negative when a bond is trading at a premium

These three sources all say that the bond roll-down effect is negative if the bond is trading at a premium: https://www.investopedia.com/terms/r/rolldownreturn.asp https://corporatefinanceinstitute....
0 votes
2 answers
940 views

How to measure Steepener/Flattener/Butterfly sensitivity? (in 01)

This seems like a simple concept but I'm a bit lost. How can I calculate the dollar value sensitivity for a yield curve slope or butterfly position? I understand how DV01 can be calculated, but it ...
2 votes
2 answers
408 views

QuantLib: How to bootstrap Yield Curve using 3M futures - Python

I need to bootstrap a yieldcurve with 3M futures, using a cubic spline if possible. Using, for example 3M Euribor, how do I bootstrap the yield curve using python? I have a vector of dates and a ...
1 vote
1 answer
314 views

swap carry/rolldown mid-period

Pretty much all discussions and examples I have seen discussing carry and roll down for fix-flt interest rate swaps are ones where the forward date coincides with the coupon dates on both legs. It ...
0 votes
1 answer
68 views

Curve optimization to predict monetary policy path (OIS Curve)

This is a question about a relatively undeveloped market (Chile) in which Camara the O/N rate is daily compounded (OIS Curve). The available instruments in the market are short term rates ie 1m 2m 3m ...
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0 answers
91 views

Dynamic Nelson-Siegel model with time-varying scale factor lambda: how to ensure the non-negativity of the state variable?

I'm trying to estimate a Dynamic Nelson-Siegel-Svensson (DNSS) model with time-varying scale factors lambda_{1} and lambda_{2}. I am therefore estimating the lambdas as state variables (same as the ...
1 vote
1 answer
68 views

Overlay Analysis of US Yield Curve

Let's define the US yield curve as the O/N fed funds rate, then the on the run 2/3/5/7/10/20/30y us treasury notes and bonds, represented by their yield to maturity as of today T. What I am trying to ...
1 vote
0 answers
107 views

Apply monotone convex interpolation to swap rate input data

I'm trying to apply Hagan & West's monotone convex interpolation to a 6m EURIBOR (forward) curve using ESTR (already bootstrapped) for discounting. In their paper Hagan & West use discrete ...
2 votes
1 answer
135 views

Recommended books/resources for IRRBB risk metrics calculation

Any recommendations for books/resources/videos/on-demand courses for in-depth IRRBB-related risk metrics calculation etc? Yield Curve Risk, Basis Risk, Repricing Risk, Optionality Risk, Value at Risk, ...
1 vote
1 answer
109 views

Zero Curve Interpolation Does Not recover Node point input rates

I having an issue with interpolation in QuantLib Python. Please see the code below for a minimum working example ...
0 votes
1 answer
190 views

Spot rate dominates the yield to maturity if the yield curve is normal

Let $y_{k}$ denote the yield-to-maturity of a $k$-period coupon bond. Let $S(k)$ denote the $k$-th period spot rate. If $y_{1}<y_{2}<y_{3}<\cdots$, then $S(k)\geq y_{k}$ for all $k\in \mathbb{...
1 vote
0 answers
78 views

building an em fx forward curve with forward spreads

Like the title suggests, I'm trying to build a forward curve for exchange rates in USD/em currencies. I have certain forward points already, but they're in spreads and ideally, I'd like to construct ...
0 votes
1 answer
204 views

QuantLib Yield Curve Bootstrapping Fails with Bracketing Error

I'm trying to build the yield curve simply using Treasury yields one would get by querying the FRED API, but as my code below will show, I'm told on the 1st iteration that there was failure at the 4th ...
1 vote
2 answers
415 views

Different maturities but same tenor to obtain the yield

My question is in regards to obtaining the yield of a specific tenor at any date (for example, when constructing the yield curve). For example, when calculating the yield for a specific zero-coupon (...
0 votes
0 answers
85 views

What does volatility process mean and how is it different from volatility?

I have been reading the paper "Bridging P-Q Modeling Divide with Factor HJM Modeling Framework" by Lyashenko and Goncharov (2022). On Equation 5 of page 4 of the paper, I came across the ...
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56 views

How do I obtain the RMSE from a QuantLib curve estimation?

I'm estimating yield curves in Python using the QuantLib package and the included Nelson Siegel, Svensson, specifications. I can get the estimated parameters, but I would like to see a measure of the ...

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