---
title: "Public Options Walls"
method: GET
path: "/charts/options-walls/{symbol}"
---

# Public Options Walls

`GET /charts/options-walls/{symbol}`

## Request

- Base URL: `https://api.n0brains.com` (the document declares no server; this is the origin it was published from)
- URL: `https://api.n0brains.com/charts/options-walls/{symbol}`
- Auth: none declared

Public — no auth. Listed-options open-interest walls (CBOE delayed) for a
stock/index chart symbol: per-strike call/put OI within 60 days, top walls,
aggregate max pain. The equity-market analogue of liq clusters — strike
walls act as magnets/pins into expiry. Display layer only.

## Path parameters

- `symbol` string, required

## Response `200`

Successful Response

- unknown

## Other responses

- `422`: Validation Error

---

[API](https://skmtc.dev/n0brains/apis/n0brains-signals-api.md) · [All operations](https://skmtc.dev/n0brains/apis/n0brains-signals-api/llms.txt) · [OpenAPI document](https://skmtc.dev/n0brains/apis/n0brains-signals-api/revisions/ac21b5aebd10?raw)