EBA Guidelines on Stressed Value At Risk (Stressed VaR) EBA/GL ...

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ContentsI. Executive Summary .......................................................................................................... 3II. Background and Rationale ........................................................................................... 4III. <strong>EBA</strong> <strong>Guidelines</strong> on Stressed VaR ............................................................................. 6Title I -Subject matter, Scope and Definitions ..................................................................... 8Title II – Requirements regarding institutions’ Stressed VaR modelling.................... 9Title III- Final Provisions and Implementation ................................................................... 17IV. Accompanying documents ..................................................................................... 18a. Feedback on the public consultation and on the opinion of the BSG ................ 18V. Confirmation of compliance with guidelines and recommendations ........ 312
I. Executive SummaryThe amendments to the Capital Requirements Directive 1 by Directive 2010/76/EU(CRD III) 2 relate, among others, to Stressed Value-at-Risk (Stressed VaR) in thetrading book. According to these amendments, the predecessor of the <strong>EBA</strong>, theCommittee of European Banking Supervisors (CEBS) 3 is tasked with monitoring therange of practices in this area and drawing up guidelines in order to ensureconvergence of supervisory practices.The amendments to the Capital Requirements Directive by Directive 2010/76/EU(CRD III) entered into force on 31 December 2011.Providing guidance on Stressed VaR modelling by credit institutions using theInternal Model Approach (‘IMA’) for the calculation of the required capital for marketrisk in the trading book, is seen as an important means of addressing weaknesses inthe regulatory capital framework and in the risk management of financial institutionsthat contributed to the turmoil in global financial markets. It is also expected toreduce reliance on cyclical VaR-based capital estimates as well as to contribute tothe development of a more robust financial system.The first chapter, on ‘Identification and validation of the stressed period’, elaborateson the value-at-risk model inputs calibrated to historical data from a continuous 12-month period of significant financial stress relevant to an institution’s portfolio anddeals with i) the length of the stressed period, ii) the number of stressed periods touse for calibration, iii) the approach to identify the appropriate historical period andiv) the required documentation to support the approach used to identify the stressedperiod. The second chapter, on ‘Review of the stressed period’ provides guidance onthe frequency and monitoring of a stressed period. The third chapter on ‘StressedVaR methodology’ deals with i) consistency issues between the VaR and StressedVaR methodologies and ii) the use and validation of proxies in Stressed VaRmodelling. The fourth and final chapter, entitled ‘Use tests’ specifies use testrequirements.The <strong>Guidelines</strong> on Stressed VaR are expected to contribute to a level playing fieldamong institutions and to enhance convergence of supervisory practices among thecompetent authorities across the EU. It is expected that the national competentauthorities around the EU will implement the <strong>Guidelines</strong> by incorporating them withintheir supervisory procedures within six months after publication of the finalguidelines. After that date, the competent authorities must ensure that institutionscomply with the <strong>Guidelines</strong> effectively.1 Capital Requirements Directive (CRD) is a colloquial reference to Directives 2006/48/EC and Directive 2006/49/EC.In this document, references to ‘Directive 2006/48/EC’ and ‘Directive 2006/49/EC’ or the ‘CRD’ are to the amendedversions of the Directives; references to a particular Article of the CRD refer to the Directives as amended and inforce.2Directive 2010/76/EU was published on 24 November 2010 and can be found under: http://eurlex.europa.eu/LexUriServ/LexUriServ.do?uri=OJ:L:2010:329:0003:0035:EN:PDF.3 The European Banking Authority (<strong>EBA</strong>) was established by Regulation (EC) No. 1093/2010 of the EuropeanParliament and of the Council of 24 November 2010. The <strong>EBA</strong> came into being on 1 January 2011. It has taken overall existing and ongoing tasks and responsibilities from the Committee of European Banking Supervisors (CEBS).3
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EBA Guidelines on Stressed Value At Risk (Stressed VaR) EBA/GL ...

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