Static Models of Central Counterparty Risk

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Description:	Ghamami, S (FRB - UC Berkeley) Thursday 18 December 2014, 11:30-12:15


Created:	2014-12-22 16:49
Collection:	Systemic Risk: Mathematical Modelling and Interdisciplinary Approaches
Publisher:	Isaac Newton Institute
Copyright:	Ghamami, S
Language:	eng (English)


Abstract:	Following the 2009 G-20 clearing mandate, international standard setting bodies (SSBs)have outlined a set of principles for central counterparty (CCP) risk management; they have also devised formulaic CCP risk capital requirements on clearing members for their central counterparty exposures. There is still no consensus among CCP regulators and bank regulators on how central counterparty risk should be measured coherently in practice. A conceptually sound and logically consistent definition of the CCP risk capital in the absence of a unifying CCP risk measurement framework is challenging. Incoherent CCP risk capital requirements may create an obscure environment disincentivizing the central clearing of over the counter (OTC) derivatives transactions. Based on novel applications of well-known mathematical models in finance, this paper introduces a risk measurement framework that coherently specifies all layers of the default waterfall resources of typical derivatives CCPs. The proposed framework gives the first risk sensitive definition of the CCP risk capital based on which less risk sensitive non-model-based methods can be evaluated.

Abstract:

Following the 2009 G-20 clearing mandate, international standard setting bodies (SSBs)have outlined a set of principles for central counterparty (CCP) risk management; they have also devised formulaic CCP risk capital requirements on clearing members for their central counterparty exposures. There is still no consensus among CCP regulators and bank regulators on how central counterparty risk should be measured coherently in practice. A conceptually sound and logically consistent definition of the CCP risk capital in the absence of a unifying CCP risk measurement framework is challenging. Incoherent CCP risk capital requirements may create an obscure environment disincentivizing the central clearing of over the counter (OTC) derivatives transactions. Based on novel applications of well-known mathematical models in finance, this paper introduces a risk measurement framework that coherently specifies all layers of the default waterfall resources of typical derivatives CCPs. The proposed framework gives the first risk sensitive definition of the CCP risk capital based on which less risk sensitive non-model-based methods can be evaluated.

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