---
title: "Open interest with per-row quality flags. tf=1h (default, full history) or tf=5m (archive-native 5-minute rows, 2020-09+; ranged pulls, ~100k rows max)."
method: GET
path: "/api/oi"
---

# Open interest with per-row quality flags. tf=1h (default, full history) or tf=5m (archive-native 5-minute rows, 2020-09+; ranged pulls, ~100k rows max).

`GET /api/oi`

## Request

- Base URL: `https://iturri.ai`
- URL: `https://iturri.ai/api/oi`
- Auth: none declared

## Query parameters

- `symbol` string, required
- `tf` '1h' | '5m'
- `start` string
- `end` string

## Response `200`

OK

---

[API](https://skmtc.dev/iturri/apis/iturri-market-data-api.md) · [All operations](https://skmtc.dev/iturri/apis/iturri-market-data-api/llms.txt) · [OpenAPI document](https://skmtc.dev/iturri/apis/iturri-market-data-api/revisions/11a23bf3facc?raw)