---
title: "Open Interest"
method: GET
path: "/v1/market/open-interest"
tags: ["Market"]
---

# Open Interest

`GET /v1/market/open-interest`

Retrieve current open interest information for all trading instruments or a specific symbol.

## Query parameters

- `instType` string, required
- `symbol` string, required

## Response `200`

- ApiResponseForGetOpenInterestResponse — Represents a successful API response wrapper
  - `data` GetOpenInterestResponse, required
    - `openInterest` integer, required
    - `timestamp` integer, required
  - `error` boolean, required

---

[API](https://skmtc.net/roxom/apis/portico-api.md) · [All operations](https://skmtc.net/roxom/apis/portico-api/llms.txt) · [OpenAPI document](https://skmtc-service-staging.skmtc.workers.dev/v1/apis/roxom/portico-api/revisions/a7839cbefd8e/schema)