Advanced Fixed Income Analysis

 
 
Butterworth-Heinemann Ltd (Verlag)
  • 2. Auflage
  • |
  • erschienen am 3. September 2015
  • |
  • 272 Seiten
 
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978-0-08-099941-8 (ISBN)
 
Each new chapter of the Second Edition covers an aspect of the fixed income market that has become relevant to investors but is not covered at an advanced level in existing textbooks. This is material that is pertinent to the investment decisions but is not freely available to those not originating the products. Professor Choudhry's method is to place ideas into contexts in order to keep them from becoming too theoretical. While the level of mathematical sophistication is both high and specialized, he includes a brief introduction to the key mathematical concepts. This is a book on the financial markets, not mathematics, and he provides few derivations and fewer proofs. He draws on both his personal experience as well as his own research to bring together subjects of practical importance to bond market investors and analysts.



- Presents practitioner-level theories and applications, never available in textbooks
- Focuses on financial markets, not mathematics
- Covers relative value investing, returns analysis, and risk estimation
  • Englisch
  • Oxford
Elsevier Science & Technology
  • Für Beruf und Forschung
  • |
  • Upper-division undergraduates and graduate students studying fixed income markets.  Relevant courses include "Fixed Income Markets" and "Fixed Income Portfolio Management."   This material is appropriate for those in pre-professional programs for the corporate sector because companies are turning more frequently to raising funds by selling bonds instead of equity shares.

  • Überarbeitete Ausgabe
  • Höhe: 229 mm
  • |
  • Breite: 152 mm
  • 9,90 MB
978-0-08-099941-8 (9780080999418)
0080999417 (0080999417)
weitere Ausgaben werden ermittelt
- Approaches to Trading and Hedging
- Relative Value Trading Using Government Bonds
- Dynamics of Asset Prices
- Interest Rate Models I
- Interest Rate Models II
- Latest Developments in IR Models
- Fitting the Term Structure
- Term Structure Implementation
- Multi-Currency Yield Curves
- I-L bonds
- Long Bond Yield
- Default Risk of Corporate Bonds
- Relative Value Measurement: Asset Swap Spreads
- Cash Versus Synthetic Credit Trading and Portfolio Management
- Impact of Collateralised Derivatives Funding and Management on Bond Portfolio Hedging and Returns Analysis
Chapter 1

Asset-Swap Spreads and Relative Value Analysis


Abstract


The Interest-Rate Swap have become an important reference for the bond market. This type of derivate contract typically exchanges a fixed rate interest payment to the floating one, and represents a fundamental tool in terms of hedging, speculation and managing risk. This chapter illustrates the concept of asset-spread analysis for trading issue, including the comparison with the Z-spread measure. Moreover the chapter provides an industry bond analysis using Bloomberg's screen.

Keywords

Asset-swap spread

Z-spread

Relative value analysis

Industry bond analysis

Credit-default swap

Chapter Contents

1.1 Asset-swap spread   1

1.2 Swap spread for richness and cheapness analysis   3

1.3 Z-spread measure   6

1.4 The credit default swap basis and trading issues   6

1.5 Analysis using market observation   8

Appendix 1 The par asset-swap spread   10

Bibliography   11

Readers will be familiar with the basics of bond market instruments. We begin this book with a look at the use of asset swaps (ASW) and ASW spreads to determine relative value in a risky bond. Such analysis is a key part of the security selection decision. ASW spreads have been long in use in the market because the interest-rate swap (IRS) is an important reference for the bond market and is used to hedge the IR risk of bonds. This type of derivate contract typically exchanges a fixed rate interest payment to the floating one, and represents a fundamental tool in terms of hedging, speculation and managing risk. The spread between swap and bonds can be used to determine the relative value of the bond, but can be measured in several ways. It is, therefore, important to know which method is being used and quoted. Once known, the spread is taken to indicate the richness or cheapness of bonds with different features.

1.1 Asset-Swap Spread


The asset swap is an agreement that allows investors to exchange or swap future cash flows generated by an asset, usually fixed rates to floating rates. It is essentially a combination of a fixed coupon bond and an IRS. We define it thus:

An asset swap is a synthetically created structure combining a fixed coupon bond with a fixed-floating IRS, which then transforms the bond's swap fixed rate payments to floating rate. The investor retains the original credit exposure to the fixed rate bond. The pricing of asset swaps is therefore driven by the credit quality of the bond issuer and the size of any potential loss following issuer default.

A bond's swap spread is a measure of the credit risk of a bond relative to the interest-rate swap market. Because the swap is traded by banks, or interbank market, the credit risk of the bond over the interest-rate swap is given by its spread over the IRS. In essence, then the IRS represents the credit risk of the interbank market. If an issuer has a credit rating superior to that of the interbank market, the spread will be below the IRS level rather than above it.

The spread of the floating coupon over the bond's market price, that is the asset-swap value is the difference between the bond's market price and par. The package of the asset swap is structured in two phases:

 At issue, the investor pays the asset (cash bond) at par;

 At the same time, the investor enters in the swap contract, paying fixed cash flows equal to the coupon payment and receiving a fixed spread over the interbank rate, that is the asset-swap spread. Figure 1.1 shows the asset-swap mechanism.

Figure 1.1 Asset-swap mechanism.

The zero-coupon curve is used in the asset-swap analysis, in which the curve is derived from the swap curve. Then, the asset-swap spread is the spread that allows us to receive the equivalence between the present value of cash flows and the current market price of the bond.

In an asset-swap contract, the investor assumes the credit risk of the bond. In case the bond defaults, the investor will continue to pay the swap, without receiving the coupons and the redemption value at maturity. Therefore, the buyer of the bond takes the default exposure of the bonds. Figure 1.2 illustrates the bond's yield decomposition.

Figure 1.2 Bond's yield decomposition and relative ASW spread.

1.2 Swap Spread for Richness and Cheapness Analysis


Making comparison between bonds could be difficult and several aspects must be considered. One of these is the bond's maturity. For instance, we know that the yield for a bond that matures in 10 years is not the same compared to the one that matures in 30 years. Therefore, it is important to have a reference yield curve and smooth that for comparison purposes. However, there are other features that affect the bond's comparison such as coupon size and structure, liquidity, embedded options and others. These other features increase the curve fitting and the bond's comparison analysis. In this case, the swap curve represents an objective tool to understand the richness and cheapness in bond market. According to O'Kane and Sen (2005), the asset-swap spread is calculated as the difference between the bond's value on the par swap curve and the bond's market value, divided by the sensitivity of 1 bp over the par swap.

=PInterbankrate-PFullPV01

where PInterbank rate is the bond's value discounted at interbank rate; PFull is the market price of the bond and PV01 is the sensitivity of 1 bp on the coupon payment.

Let us now consider the following example of bonds issued by two companies operating in different industries. The first one is Hera S.p.A., an Italian company operating in the utility industry that issued the bond HERIM 3¼% 2021 (hereinafter HERIM); the second one is Telekom Finanzmanagement GmbH, a German company operating in the telecommunications industry that issued the bond TKAAV 3?% 2021 (hereinafter TKAAV). Therefore, both companies issued two bonds with similar features:

 The same time to maturity (8 years);

 Similar issue date (4 October 2013 for HERIM and 3 December 2013 for TKAAV);

 Similar maturity date (4 October 2021 for HERIM and 3 December 2021 for TKAAV);

 The same creditworthiness with a Bloomberg composite rating of BBB;

 The same currency (EUR);

 The same coupon payment (3.250% for HERIM and 3.125% for TKAAV, annual frequency payment);

 The same bond structure (bullet as maturity type, no embedded options).

Figures 1.4 and 1.5 show the Bloomberg screen for ASW analysis. To calculate the ASW spread, we use the bond's price, which is equal to 115.138 for HERIM and 114.592 for TKAAV. The swap structuring has been performed as follows:

 The same frequency payment as well as the bond's coupon structure, in this case annual;

 The same day count convention, in this case actual/actual;

 Euro swap curve as reference interbank curve, coherent with the bond's currency (EUR).

Depending on the reference yield curve selected and its currency denomination, the ASW spread changes. Figure 1.3 shows the ASW spread for different reference yield curves for TKAAV.

Figure 1.3 Relative value of TKAAV 3?% 2021, on ASW screen. Used with the permission of Bloomberg L.P. Copyright© 2014. All rights reserved.

As shown in Figures 1.4 and 1.5, with this swap structuring, the asset-swap spread for HERIM is 39.5 bp and for TKAAV is 39.1 bp. These represent the spreads that will be received if each bond is purchased as an asset-swap package. In other words, the ASW spread provides a measure of the difference between the market price of the bond and the value of the cash flows evaluated using zero-coupon rates.

Figure 1.4 ASW screen for HERIM 3¼% 2021. Used with the permission of Bloomberg L.P. Copyright© 2014. All rights reserved. Figure 1.5 ASW screen for TKAAV 3?% 2021. Used with the permission of Bloomberg L.P. Copyright© 2014. All rights reserved.

However, a critical issue on this spread measure is how the asset swap has been structured. ASW measure works very well when bond prices trade at or near to...

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