> ## 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.

# Cube schema (reference implementation)

The following table lists the levels and hierarchies in the [Cube schema](../../../../../../cube/index) that are used in the GIRR [data model](../data-model-core).

| Data Model Field                    | Cube Level      | Notes                                             |
| ----------------------------------- | --------------- | ------------------------------------------------- |
| As-Of Date                          | AsOfDate        | Slicing Hierarchy                                 |
| Trade ID                            | TradeId         |                                                   |
| Risk Class                          | Risk Class      | "GIRR"                                            |
| Risk Measure                        | Risk Measure    | "Delta", "Vega", "Curvature"                      |
| Bucket                              | GIRR Bucket     |                                                   |
| Risk Factor Name                    | Risk Factor     |                                                   |
| Sensitivity Tenor / Option Maturity | Vertex          | Analysis Hierarchy                                |
| Underlying Maturity                 | Maturity        | Analysis Hierarchy                                |
| Curve Name                          | Underlying      |                                                   |
| Curve Type                          | GIRR Curve Type |                                                   |
| Curve Currency                      | GIRR Currency   |                                                   |
|                                     |                 | Levels for the Delta Double Sums and Correlations |
|                                     |                 | Levels for the Vega Double Sums and Correlations  |