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2.2. Treatment of unrated positions

Credit institutions having an unrated securitisation position may apply the treatment set out in point 10 for calculating the risk-weighted exposure amount for that position provided the composition of the pool of exposures securitised is known at all times. A credit institution may apply the weighted-average risk weight that would be applied to the securitised exposures under Articles 78 to 83 by a credit institution holding the exposures, multiplied by a concentration ratio. This concentration ratio is equal to the sum of the nominal amounts of all the tranches divided by the sum of the nominal amounts of the tranches junior to or pari passu with the tranche in which the position is held including that tranche itself. The resulting risk weight shall not be higher than 1250 % or lower than any risk weight applicable to a rated more senior tranche. Where the credit institution is unable to determine the risk weights that would be applied to the securitised exposures under Articles 78 to 83, it shall apply a risk weight of 1250 % to the position.

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Source: EUR-Lex (Cellar) · retrieved 2026-10-09 · Text as adopted (Official Journal); later amendments are not incorporated in this text.