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# DRC sec CTP default risk charge aggregated

<Badge color="gray" size="lg">[drc\_sa](../tags/drc-sa)</Badge>

|                 |                                                                                                                                             |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------- |
| **Description** | The total capital charge for default risk securitisations CTP as if all positions were under SA, without the floor to zero                  |
| **Reference**   | [\[MAR22.45\]](https://www.bis.org/basel_framework/chapter/MAR/22.htm?inforce=20230101\&published=20200327#paragraph_MAR_22_20230101_22_45) |
| **Notation**    | $DRC_{agg}$                                                                                                                                 |
| **Formula**     | $\displaystyle DRC_{agg}=\sum_{b}\text{max}\left( DRC_b,0 \right)+0.5\cdot \text{min}\left(DRC_b,0 \right)$                                 |