> ## 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.

# CSRSecCTPBucket

The **CSRSecCTPBucket** store identifies the CSR Sec CTP buckets.

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

| Store Field  | Key | CanBeNull | Type                   | Description                                                                             |
| ------------ | --- | --------- | ---------------------- | --------------------------------------------------------------------------------------- |
| Bucket       |     |           | String                 | Bucket number (e.g. 1-16).                                                              |
| CSRQuality   | Y   |           | String                 | The credit quality of the tranche credit spread curve ("Senior IG", IG", "HY", or "NR") |
| CSRSector    | Y   |           | String                 | The relevant sector of the tranche credit spread curve                                  |
| RiskClass    | Y   |           | String                 | The risk class, must be "CSR Sec CTP"                                                   |
| AsOfDate     | Y   |           | LOCALDATE\[yyyy-mm-dd] | The start date that the bucket definition takes effect.                                 |
| ParameterSet | Y   |           | String                 | The parameter set to which the parameter belongs (default = BCBS).                      |