---
title: "Get Volume Chart"
method: GET
path: "/v2/polymarket/volume-chart/{condition_id}"
tags: ["polymarket"]
---

# Get Volume Chart

`GET /v2/polymarket/volume-chart/{condition_id}`

Fetch volume chart data for a market, broken down by YES/NO side.

Returns per-period total, YES, and NO volume aggregated from trade events.

## Path parameters

- `condition_id` string, required — Condition ID for the market

## Query parameters

- `granularity` 'hour' | 'day' | 'week' — Granularity for volume chart endpoint.
- `start_time` integer, required — Unix timestamp (seconds) for start of time range
- `end_time` integer, required — Unix timestamp (seconds) for end of time range

## Response `200`

Successful Response

- VolumeChartResponse — Volume chart endpoint response.
  - `condition_id` string, required — Market condition ID
  - `granularity` 'hour' | 'day' | 'week', required — Granularity for volume chart endpoint.
  - `start_time` integer, required — Unix timestamp of first data point
  - `end_time` integer, required — Unix timestamp of last data point
  - `data` VolumeChartDataPoint[], required — Volume data points
    - `timestamp` integer, required — Unix timestamp in seconds (start of period)
    - `total_volume` number, required — Total USD volume in this period
    - `yes_volume` number, required — YES-side USD volume in this period
    - `no_volume` number, required — NO-side USD volume in this period
    - `trades_count` integer, required — Number of trades in this period

## Other responses

- `400` — Bad Request
- `404` — Not Found
- `422` — Validation Error

---

[API](https://skmtc.net/predexon/apis/predexon-api.md) · [All operations](https://skmtc.net/predexon/apis/predexon-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/predexon/predexon-api/versions/80a306fbdb39/schema)