Article 370

Capital Requirements Regulation (CRR) > PART THREE > TITLE IV > CHAPTER 5 > Section 3 > Article 370
Article 370
Requirements for modelling specific risk
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An internal model used for calculating own funds requirements for specific risk and an internal model for correlation trading shall meet the following additional requirements:

(a) it explains the historical price variation in the portfolio;

(b) it captures concentration in terms of magnitude and changes of composition of the portfolio;

(c) it is robust to an adverse environment;

(d) it is validated through back-testing aimed at assessing whether specific risk is being accurately captured. If the institution performs such back-testing on the basis of relevant sub-portfolios, these shall be chosen in a consistent manner;

(e) it captures name-related basis risk and shall in particular be sensitive to material idiosyncratic differences between similar but not identical positions;

(f) it captures event risk.