---
title: "Changes to Open Interest Historic"
method: GET
path: "/open-interest/{symbol}"
---

# Changes to Open Interest Historic

`GET /open-interest/{symbol}`

> Every recorded change to this operation, newest first.

## Timeline

Changed in 1 of 2 revisions.

- **2026-11-03** `0c23dfc24573`: 1 info

## Changes

- **2026-11-03** `0c23dfc24573`: 1 info
  - added the new optional `query` request parameter `api_version`

---

[Operation](https://skmtc.dev/qfex/apis/qfex-rest-api/docs/open-interest/:symbol/get.md) - [API](https://skmtc.dev/qfex/apis/qfex-rest-api.md) - [Page](https://skmtc.dev/qfex/apis/qfex-rest-api/changes/open-interest/:symbol/get)