> ## 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.

# CA

> The CA measure in FRTBCombinedCube, computing the aggregate non-DRC IMA capital requirement (C_A) as if all positions were under IMA, per Basel MAR33.41, with Euler, Incremental, and Spot variations

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

|                 |                                                                                                                                              |
| --------------- | -------------------------------------------------------------------------------------------------------------------------------------------- |
| **Description** | The aggregate (non-DRC) capital requirement which disregards individual desks capital treatment, as if all positions were under IMA approach |
| **Variations**  | [euler](./euler), [incremental](./incremental), [spot](./spot)                                                                               |
| **Reference**   | [\[MAR33.41\]](https://www.bis.org/basel_framework/chapter/MAR/33.htm?inforce=20230101\&published=20200327#paragraph_MAR_33_20230101_33_41)  |
| **Notation**    | $C_A$                                                                                                                                        |
| **Formula**     | $\displaystyle C_A=max\left \{ IMCC_{t-1} + SES_{t-1}; m_c \cdot IMCC_{avg}+SES_{avg} \right \}$                                             |