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Derivative Pricing under Asymmetric and Imperfect Collateralization and CVA

  • Masaaki Fujii
  • Akihiko Takahashi
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    The importance of collateralization through the change of funding cost is now well recognized among practitioners. In this article, we have extended the previous studies of collateralized derivative pricing to more generic situation, that is asymmetric and imperfect collateralization with the associated counter party credit risk. By introducing the collateral coverage ratio, our framework can handle these issues in an unified manner. Although the resultant pricing formula becomes non-linear FBSDE and cannot be solve exactly, the fist order approximation is provided using Gateaux derivative. We have shown that it allows us to decompose the price of generic contract into three parts: market benchmark, bilateral credit value adjustment (CVA), and the collateral cost adjustment (CCA) independent from the credit risk. We have studied each term closely, and demonstrated the significant impact of asymmetric collateralization through CCA using the numerical examples.

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    File URL: http://arxiv.org/pdf/1101.5849
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    Paper provided by arXiv.org in its series Papers with number 1101.5849.

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    Date of creation: Jan 2011
    Date of revision: Dec 2011
    Handle: RePEc:arx:papers:1101.5849
    Contact details of provider: Web page: http://arxiv.org/

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