> ## 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.

# Curve

The **Curve** refers to one of the following:

* "risk-free yield curve" [MAR21.8](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_8)(1)
* "flat curve of market-implied inflation rates" [MAR21.8](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_8)(2)
* "cross-currency basis curve" [MAR21.8](https://www.bis.org/basel_framework/chapter/MAR/21.htm?inforce=20230101\&published=20200327#paragraph_MAR_21_20230101_21_8)(3)

| Field                   | Key | Description                                             |
| ----------------------- | --- | ------------------------------------------------------- |
| As-of Date              | Y   | Timestamp (at close of business) for the data (T-1)     |
| Curve Name (Underlying) | Y   | Name of the curve                                       |
| Risk Class              | Y   | “GIRR”                                                  |
| Curve Type              |     | “Yield”, “Basis”, or “Inflation” (Delta and Vega)       |
| Curve Currency          |     | The currency of the curve. This is also the **Bucket**. |