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
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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 Bloombergās screen.
Keywords
Asset-swap spread
Z-spread
Relative value analysis
Industry bond analysis
Credit-default swap
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 bondās 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 bondās 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 bondās market price, that is the asset-swap value is the difference between the bondās market price and par. The package of the asset swap is structured in two phases:
ā¢At issue, the investor pays the asset (cash bond) at par;
ā¢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.
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 bondās yield decomposition.
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 bondās 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 bondās comparison such as coupon size and structure, liquidity, embedded options and others. These other features increase the curve fitting and the bondās comparison analysis. In this case, the swap curve represents an objective tool to understand the richness and c...
Table of contents
Cover image
Title page
Table of Contents
Copyright
Dedication
About the Authors
Preface
Preface to the First Edition (published 2004)
Chapter 1: Asset-Swap Spreads and Relative Value Analysis
Chapter 2: The Dynamics of Asset Prices
Chapter 3: Interest-Rate Models I
Chapter 4: Interest-Rate Models II
Chapter 5: Fitting the Term Structure
Chapter 6: Advanced Analytics for Index-Linked Bonds
Chapter 7: Analysing the Long-Bond Yield
Chapter 8: The Default Risk of Corporate Bonds
Chapter 9: Convertible Securities: Analysis and Valuation