An Approximation Method for Analysis and Valuation of Credit Correlation Derivatives

25 Pages Posted: 23 Nov 2005

See all articles by Masahiko Egami

Masahiko Egami

Kyoto University

Kian Esteghamat

Princeton University - Department of Operations Research and Financial Engineering

Abstract

This paper presents a model for approximating the value of a basket of default-correlated assets and analyzes subordinate tranches in securitized debt obligations. The model is calibrated to an intensity-based simulation of correlated defaults and represents an alternative computation method to full Monte Carlo simulation. Timing of individual obligor defaults are driven by intensity processes and collateral value is modeled with a jump-diffusion process where the number of jumps corresponds to the total number of defaults in the asset pool. This approach allows decomposition of subordinate obligations in terms of a collection of simpler securities and yields useful risk management information.

Keywords: correlated credit risk, structured security, portfolio approximation

JEL Classification: G12, G13

Suggested Citation

Egami, Masahiko and Esteghamat, Kian, An Approximation Method for Analysis and Valuation of Credit Correlation Derivatives. Journal of Banking and Finance, Forthcoming. Available at SSRN: https://ssrn.com/abstract=851524

Masahiko Egami (Contact Author)

Kyoto University ( email )

Yoshida-Honmachi
Sakyo-ku
Kyoto, 606-8501
Japan

Kian Esteghamat

Princeton University - Department of Operations Research and Financial Engineering ( email )

& Bendheim Center for Finance
Princeton, NJ 08544
United States

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