Abstract

http://ssrn.com/abstract=2016824
 
 

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Collateral Requirements for Mandatory Central Clearing of Over-the-Counter Derivatives


Daniel Heller


Bank for International Settlements (BIS)

Nicholas Vause


Bank for International Settlements Staff

March 1, 2012

BIS Working Paper No. 373

Abstract:     
By the end of 2012, all standardized over-the-counter (OTC) derivatives must be cleared with central counterparties (CCPs). In this paper, we estimate the amount of collateral that CCPs should demand to clear safely all interest rate swap and credit default swap positions of the major derivatives dealers. Our estimates are based on potential losses on a set of hypothetical dealer portfolios that replicate several aspects of the way that derivatives positions are distributed within and across dealer portfolios in practice. Our results suggest that major dealers already have sufficient unencumbered assets to meet initial margin requirements, but that some of them may need to increase their cash holdings to meet variation margin calls. We also find that default funds worth only a small fraction of dealers' equity appear sufficient to protect CCPs against almost all possible losses that could arise from the default of one or more dealers, especially if initial margin requirements take into account the tail risks and time variation in risk of cleared portfolios. Finally, we find that concentrating clearing of OTC derivatives in a single CCP could economize on collateral requirements without undermining the robustness of central clearing.

Number of Pages in PDF File: 52

Keywords: central counterparties, clearing, collateral, derivatives, default funds, initial margins, variation margins

JEL Classification: G24, G28

Accepted Paper Series


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Date posted: March 7, 2012  

Suggested Citation

Heller, Daniel and Vause, Nicholas, Collateral Requirements for Mandatory Central Clearing of Over-the-Counter Derivatives (March 1, 2012). BIS Working Paper No. 373. Available at SSRN: http://ssrn.com/abstract=2016824

Contact Information

Daniel Heller (Contact Author)
Bank for International Settlements (BIS) ( email )
Centralbahnplatz 2
Basel, Basel-Stadt 4002
Switzerland
Nicholas Vause
Bank for International Settlements Staff ( email )
Centralbahnplatz 2
Basel, Basel-Stadt 4002
Switzerland
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