---
title: "Contract Oi History"
method: GET
path: "/v1/contracts/{occ}/oi-history"
tags: ["contracts"]
---

# Contract Oi History

`GET /v1/contracts/{occ}/oi-history`

## Request

- Base URL: `https://api.optionwhales.io` (the document declares no server; this is the origin it was published from)
- URL: `https://api.optionwhales.io/v1/contracts/{occ}/oi-history`
- Auth: none declared

Per-contract OI/IV/greeks trajectory across the last `days` twice-daily
snapshots (~Nov-2025 on) (Pro+).

## Path parameters

- `occ` string, required

## Query parameters

- `days` integer: Number of recent snapshot dates

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api.md) · [All operations](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api/llms.txt) · [OpenAPI document](https://skmtc.dev/optionwhales/apis/optionwhales-pro-api/revisions/e76bc0d3a770?raw)