> ## 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.

# TrancheOverrides

The **TrancheOverrides** store contains alternative descriptions of the tranche. See [Tranche](./tranche) store.

It is an isolated store indexed by **Tranche**, **RiskClass**, **ParameterSet**, and **AsOfDate**.

| Store Field  | Key | CanBeNull | Type              | Description                                                                                                                            |
| ------------ | --- | --------- | ----------------- | -------------------------------------------------------------------------------------------------------------------------------------- |
| Tranche      | Y   |           | String            | ID of the Tranche.                                                                                                                     |
| RiskClass    | Y   |           | String            | Set to "DRC Sec non-CTP"                                                                                                               |
| ParameterSet | Y   |           | String            | The Parameter Set for which the overrides apply.                                                                                       |
| Bucket       |     |           | String            | The DRC bucket.<br />Replaces Bucket in the [Tranche](./tranche) store.                                                                |
| Seniority    |     |           | String            | Seniority of the tranche.<br />Replaces Seniority in the [Tranche](./tranche) store.                                                   |
| Rating       |     |           | String            | The credit rating of the Tranche.<br />Replaces Rating in the [Tranche](./tranche) store.                                              |
| Type         |     |           | String            | The rating type used alongside the rating to determine the SEC-ERBA risk-weight.<br />Replaces Type in the [Tranche](./tranche) store. |
| Region       |     |           | String            | The region used to determine the Bucket.<br />Replaces Region in the [Tranche](./tranche) store.                                       |
| Asset Class  |     |           | String            | The asset class used to determine the Bucket.<br />Replaces Asset Class in the [Tranche](./tranche) store.                             |
| Attachment   |     |           | Double            | Attachment point (Decimal values are expected).<br />Replaces Attachment in the [Tranche](./tranche) store.                            |
| Detachment   |     |           | Double            | Detachment point (Decimal values are expected).<br />Replaces Detachment in the [Tranche](./tranche) store.                            |
| RiskWeight   |     | Y         | Double            | Optional override for the DRC Sec non-CTP Tranche risk-weight.<br />Replaces RiskWeight in the [Tranche](./tranche) store.             |
| AsOfDate     | Y   |           | Date\[yyyy-mm-dd] | Timestamp (at close of business) for the data.                                                                                         |