---
id: "INC-polymarket-cmtls12yp011a0wqjwckyqh4m"
page: "https://infrastack.ai/live/INC-polymarket-cmtls12yp011a0wqjwckyqh4m"
kind: "incident"
aliases: []
title: "Polymarket: Issues with delayed open order read responses"
severity: "unknown"
cvss: null
epss: null
exploited: false
status: "resolved"
category: "vendor"
products: [{"name": "Polymarket", "fixed": [], "affected": "", "ecosystem": "vendor"}]
ecosystems: ["vendor"]
tags: ["incident", "ops", "polymarket", "vendor"]
not_affected_if: []
published_at: "2026-09-03T17:06:06+00:00"
first_seen_at: "2026-11-08T17:00:43+00:00"
updated_at: "2026-11-08T17:03:16+00:00"
sources: [{"source": "statuspage", "url": "https://status.polymarket.com/incident/cmtls12yp011a0wqjwckyqh4m", "first_seen_at": "2026-11-08T17:00:43+00:00"}]
exploit_sources: []
---

# Polymarket: Issues with delayed open order read responses

Link for people: https://infrastack.ai/live/INC-polymarket-cmtls12yp011a0wqjwckyqh4m (this .md is for agents)

## Affected

- vendor:Polymarket affected range not listed fixed no fixed version listed

## Timeline

- 2026-11-08T17:00:43+00:00 statuspage https://status.polymarket.com/incident/cmtls12yp011a0wqjwckyqh4m

## From the sources

Type: Incident
    Duration: 4 hours and 30 minutes

    Affected Components: Predictions Trading API (CLOB)
    Sep 3, 21:35:53 GMT+0 - Resolved - This incident has been resolved. Sep 3, 20:34:32 GMT+0 - Monitoring - We are preparing to re-enable trading shortly, but will keep monitoring and revert to cancel-only mode if more degradations are detected. Sep 3, 19:58:55 GMT+0 - Monitoring - We are currently re-entering cancel-only mode due to the ongoing issues. Sep 3, 19:42:36 GMT+0 - Resolved - This incident has been resolved. Sep 3, 19:25:27 GMT+0 - Monitoring - We are currently in cancel-only mode until 19:35 UTC after which trading will be resumed. Sep 3, 19:12:49 GMT+0 - Monitoring - We have addressed the issue and will be entering cancel-only mode for at least 15 minutes shortly. After final checks, trading will be resumed. Sep 3, 18:23:37 GMT+0 - Identified - We are continuing to work on a fix for this incident. An ETA will be provided as soon as we have one. Sep 3, 17:06:06 GMT+0 - Investigating - Trading has been paused while we investigate the incident.

---

_Free to read, with fair use of about 60 pages a minute. For higher limits or API access: sales@infrastack.ai_