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Sonderforschungsbereich 649: Ökonomisches Risiko, Humboldt-Universität Berlin >
SFB 649 Discussion Papers, HU Berlin >
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http://hdl.handle.net/10419/25329
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| Title: | | CDO pricing with copulae  |
| Authors: | | Choroś, Barbara Härdle, Wolfgang Karl Okhrin, Ostap |
| Issue Date: | | 2009 |
| Series/Report no.: | | SFB 649 discussion paper 2009,013 |
| Abstract: | | Modeling the portfolio credit risk is one of the crucial issues of the last years in the financial problems. We propose the valuation model of Collateralized Debt Obligations based on a one- and two-parameter copula and default intensities estimated from market data. The presented method is used to reproduce the spreads of the iTraxx Europe tranches. The two-parameter model incorporates the fact that the risky assets of the CDO pool are chosen from six different industry sectors. The dependency among the assets from the same group is described with the higher value of the copula parameter, otherwise the lower value of the parameter is ascribed. Our approach outperforms the standard market pricing procedure based on the Gaussian distribution. |
| Subjects: | | CDO CDS multifactor models multivariate distributions copulae correlation smile |
| JEL: | | C14 G12 G13 |
| Document Type: | | Working Paper |
| Appears in Collections: | | SFB 649 Discussion Papers, HU Berlin
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