> ## 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 1.8.0; 227 paths; 217 component schemas.

Cumulative volume delta bucket.

## Required Fields

| Field | Type | Description |
| - | - | - |
| `buy_volume` | number | Buy-side volume for the bucket. |
| `cumulative_delta` | number | Running total of `delta` from the first bucket of this response. |
| `delta` | number | buy\_volume minus sell\_volume for this bucket. |
| `sell_volume` | number | Sell-side volume for the bucket. |
| `timestamp` | integer:int64 | Bucket open time in Unix milliseconds (UTC). |

## 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 total of `delta` from the first bucket of this response. It restarts on every page, so rebuild it from `delta` when joining pages.",
      "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 open time in Unix milliseconds (UTC).",
      "type": "integer",
      "format": "int64",
      "example": 1781593200000
    }
  }
}
```

## Components using this schema

* [ApiResponseCvdBucketArray](/schemas/components/api-response-cvd-bucket-array)

## Referenced By

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

## Operations using this component transitively

* [`GET /v1/hyperliquid/cvd/{symbol}`](/schemas/operations/get-hyperliquid-cvd)
* [`GET /v1/hyperliquid/hip3/cvd/{symbol}`](/schemas/operations/get-hip3-cvd)


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