Chapter 02 – Asset Classes and Financial Instruments
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Private Issues:
Private issues include corporate debt and equity issues and asset-backed securities, including
mortgage- backed securities. Bonds issued by private corporations are subject to greater default
risk than bonds issued by government entities. Corporate bonds often contain imbedded options
such as a call feature which allows an existing corporation to repurchase the bond from issuers
when rates have fallen. Some bonds are convertible which allows the bond investor to convert
the bond to a set number of shares of common stock.
Most bonds are rated by one or more of the major ratings agencies approved by the federal
government. The major agencies are Standard & Poors, Moody’s and Fitch. The rating
measures default risk. The higher the rating the lower the interest rate required to issue the
bonds. The two major classes of bonds with respect to default risk are investment grade and
speculative grade. Investment grade bonds are much more marketable and carry significantly
lower interest rates than speculative grade bonds. Speculative grade bonds are euphemistically
called ‘junk’ bonds. Spreads on junk bonds reached record highs in 2008 and 2009.
The mortgage market is now larger than the corporate bond market. Securities backed by
mortgages have also grown to compose a major element of the overall bond market. A pass–
through security represents a proportional (pro-rata) share of a pool of mortgages. The mortgage-
backed market has grown rapidly in recent years as shown in Text Figure 2.6. Originally only
“conforming mortgages” were securitized and used to back mortgage securities. Conforming
mortgages met traditional creditworthiness standards such as a maximum 80% loan-to-value
ratio; maximum debt-to-income ratio of around 30%; and a quality-credit score. Until about
2006, Fannie and Freddie only underwrote or guaranteed conforming mortgages. Under political
pressure to make housing available to low-income families however, Fannie and Freddie began
securitizing and backing subprime mortgages (mortgages to households with insufficient income
to qualify for a standard mortgage) and so called “Alt–A” mortgages which lie between
conforming and subprime in terms of credit risk. Most of the mortgages in the lower-quality
categories originated since 2006 have deteriorated in value. The term “underwater” means the
homeowners owe more than the market value of their home, creating an incentive to default.
Foreclosures depress local home prices, and add to the credit problems of banks and thrifts that
supply mortgage credit, hence the government’s efforts to limit the number of foreclosures.
3. Equity Securities
PPT 2-32 through PPT 2-37