> ## Documentation Index
> Fetch the complete documentation index at: https://docs.activeviam.com/llms.txt
> Use this file to discover all available pages before exploring further.

# DRC sec CTP default risk charge

<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                                                                 |
| **Variations**  | [incremental](./incremental), [pro\_rata](./pro_rata), [euler](./euler), [netted](./netted), [reported](./reported)                                             |
| **Reference**   | [\[MAR22.45\]](https://www.bis.org/basel_framework/chapter/MAR/22.htm?inforce=20230101\&published=20200327#paragraph_MAR_22_20230101_22_45)                     |
| **Notation**    | $DRC_{ctp}$                                                                                                                                                     |
| **Formula**     | $\displaystyle DRC_{ctp}=\text{max}(0, DRC_{agg})=\text{max}\left(0, \sum_{b}\text{max}\left( DRC_b,0 \right)+0.5\cdot \text{min}\left(DRC_b,0 \right) \right)$ |