Chapter 02 – Asset Classes and Financial Instruments
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 &
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
3. Equity Securities