> ## 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.

# CSR non-sec curvature risk weight

> The CSR non-Sec Curvature Risk Weight measure in FRTBCombinedCube, showing the regulatory risk weights applied to CSR non-Sec curvature calculations at the bucket level per Basel MAR21.5

<Badge color="gray" size="lg">[sbm](../tags/sbm)</Badge>

|                                      |                                                                                                                                           |
| ------------------------------------ | ----------------------------------------------------------------------------------------------------------------------------------------- |
| **Description**                      | The risk weights applied in curvature calculations                                                                                        |
| **Hierarchies required in the view** | [CSR non-Sec Buckets](./csr-non-sec-buckets)                                                                                              |
| **Reference**                        | [\[MAR21.5\]](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_5) |
| **Notation**                         | $RW_k^{(curvature)}$                                                                                                                      |