> ## 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.

# Coverage ratio

> The Coverage Ratio measure in FRTBCombinedCube, the OSFI-required ratio of IMA to total portfolio risk charge per Canadian Capital Adequacy Requirements (CAR) Chapter 9 paragraph 267

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

|                 |                                                                                                                                                                                                                                |
| --------------- | ------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------ |
| **Description** | Coverage Ratio required by OSFI (Capital Adequacy Requirements (CAR) [Chapter 9 paragraph 267](https://www.osfi-bsif.gc.ca/en/guidance/guidance-library/capital-adequacy-requirements-car-2024-chapter-9-market-risk#ToC9611)) |
| **Formula**     | $\displaystyle Portfolio\_Risk\_Charge_IMA/Portfolio\_Risk\_Charge_ALL$                                                                                                                                                        |