The Alchemy of Cdo Credit Ratings
43 Pages Posted: 20 Apr 2009 Last revised: 28 Aug 2010
Date Written: April 2009
Collateralized Loan Obligations (CLOs) were one of the largest and fastest growing segments of the structured finance market, fueling the 2003-2007 boom in syndicated loans and leveraged buyouts. The credit crisis brought CLO issuance to a halt, and as a result the leveraged loan market dried up. Similar to other structured finance products, investors in CLOs rely heavily on credit rating provided by the rating agencies, yet little is known about CLO rating practices. This paper attempts to fill that gap. Using novel hand-collected data on 3,912 tranches of Collateralized Loan Obligations (CLO) we document the rating practices of CLOs and analyze their existing structures.
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