> ## Documentation Index
> Fetch the complete documentation index at: https://docs.0xarchive.io/llms.txt
> Use this file to discover all available pages before exploring further.

# CvdBucket Schema

> Cumulative volume delta bucket. Includes required fields, field types, schema references, and generated JSON details from the 0xArchive OpenAPI contract.

Source OpenAPI: 0xArchive API 1.6.1; 147 paths; 128 component schemas.

Cumulative volume delta bucket.

## Required Fields

| Field              | Type          | Description                                        |
| ------------------ | ------------- | -------------------------------------------------- |
| `buy_volume`       | number        | Buy-side volume for the bucket.                    |
| `cumulative_delta` | number        | Running cumulative delta over the returned window. |
| `delta`            | number        | buy\_volume minus sell\_volume for this bucket.    |
| `sell_volume`      | number        | Sell-side volume for the bucket.                   |
| `timestamp`        | integer:int64 | Bucket timestamp in Unix milliseconds.             |

## JSON Schema

```json theme={"theme":"github-dark"}
{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "title": "CvdBucket",
  "description": "Cumulative volume delta bucket.",
  "type": "object",
  "required": [
    "buy_volume",
    "cumulative_delta",
    "delta",
    "sell_volume",
    "timestamp"
  ],
  "properties": {
    "buy_volume": {
      "description": "Buy-side volume for the bucket.",
      "type": "number",
      "example": 30160211.46768
    },
    "cumulative_delta": {
      "description": "Running cumulative delta over the returned window.",
      "type": "number",
      "example": -2740918.55881
    },
    "delta": {
      "description": "buy_volume minus sell_volume for this bucket.",
      "type": "number",
      "example": -2740918.55881
    },
    "sell_volume": {
      "description": "Sell-side volume for the bucket.",
      "type": "number",
      "example": 32901130.02649
    },
    "timestamp": {
      "description": "Bucket timestamp in Unix milliseconds.",
      "type": "integer",
      "format": "int64",
      "example": 1781593200000
    }
  }
}
```

## Referenced By

Use this shared schema with the generated component index and route-specific endpoint pages during implementation.