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Master's Dissertation
DOI
https://doi.org/10.11606/D.92.2005.tde-14042023-091156
Document
Author
Full name
Isaias Manoel de Oliveira Militao
E-mail
Institute/School/College
Knowledge Area
Date of Defense
Published
São Paulo, 2005
Supervisor
Committee
Belitsky, Vladimir (President)
Dreifus, Henrique Von
Salomon, Marcelo Figueiredo
Title in Portuguese
Apreçamento de títulos da dívida externa brasileira usando a curva de probabilidade de default implícita no mercado de derivativos de crédito
Keywords in Portuguese
Derivativos
Dívida externa - Brasil
Abstract in Portuguese
O mercado de títulos de dívida externa de países em desenvolvimento ganhou abrangência e liquidez nos anos 90, quando esses papéis começaram a ter participação significativa nas carteiras de administradores de recursos de todo o mundo. Em paralelo a essa evolução, o mercado de crédito mundial foi revolucionado com o surgimento de instrumentos que foram denominados derivativos de crédito. Esses instrumentos financeiros permitiram maior flexibilidade no tratamento do risco de crédito pelos agentes financeiros, ocasionando o surgimento de diversos tipos de estruturas criadas pelos bancos para atender necessidades específicas das carteiras de crédito de seus clientes. Como o objeto central dos mercados de derivativos de crédito e do mercado de papéis (bonds) é o mesmo, ou seja, o crédito de um determinado emissor, tem surgido nos últimos anos um interesse das grandes instituições financeiras em estabelecer um paralelo entre os dois mercados, com o objetivo de aprimorar os instrumentos e técnicas de apreçamento de cada um deles, além de tentar identificar oportunidades de arbitragem. O nosso trabalho consiste em adaptar uma metodologia de obtenção da curva de probabilidade de default implícita no mercado de derivativos de crédito para apreçar os papéis mais líquidos de dívida externa da República Federativa do Brasil. Os preços obtidos por essa metodologia foram analisados e comparados com os preços reais observados no mercado de dívida entre março de 2004 e junho de 2005.
Title in English
Pricing of Brazilian external debt securities using the implicit default probability curve in the credit derivatives market
Keywords in English
Derivatives
External debt - Brazil
Abstract in English
The emerging countries debt market gained breadth and liquidity in the 1990s, when these bonds gained importance on the portfolios of asset managers around the world. Simultaneously, the global credit market was revolutionized with the rise of financial instruments called credit derivatives, which permitted great flexibility on credit risk management by the players, and led the way to the advent of credit structured products created by major banks to fulfill specifíc needs of its clients credit portfolios. As credit derivatives have the same underlying reference of bonds, which is credit quality of a reference issuer, there has been a surging interest in the last couple of years on establishing a link between these two markets. This link aim on identifying possible arbitrage opportunities and improving pricing and risk management techniques. Our work consists on adapting a reduced-form model to extract a default probability curve implicit on credit default swaps quotes and use it on pricing global bonds issued by Brazilian Federal Government. Calculated prices were analyzed and compared to observed data for the period between March 2004 and June 2005.
 
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Publishing Date
2023-04-14
 
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