---
title: "Market Data Cancel (Single)"
method: GET
path: "/iserver/marketdata/{conid}/unsubscribe"
tags: ["Market Data"]
---

# Market Data Cancel (Single)

`GET /iserver/marketdata/{conid}/unsubscribe`

Cancel market data for given conid. To cancel all market data request(s), see /iserver/marketdata/unsubscribeall.

## Path parameters

- `conid` string, required

## Response `200`

confirms market data for conid is cancelled

- object
  - `confirmed` string — success means market data was cancelled.

## Other responses

- `500` — cancel failed

---

[API](https://skmtc.dev/interactivebrokers/apis/client-portal-web-api.md) · [All operations](https://skmtc.dev/interactivebrokers/apis/client-portal-web-api/llms.txt) · [OpenAPI document](https://skmtc-service-production.skmtc.workers.dev/v1/apis/interactivebrokers/client-portal-web-api/revisions/32edbfe496d1/schema)