Polymarket experiences major outage, trading temporarily halted

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Polymarket halted trading activity on August 31 following a major outage that disrupted its Trading API (CLOB). The issue began around 6:30 UTC with delays in read responses for open orders, prompting a full suspension. The site remains accessible for market data, but users cannot place new orders. A 15-minute cancel-only mode will be implemented before trading resumes, expected no later than 10:00 UTC. Other systems, including data and authentication, remain unaffected. The decline in trading volume has drawn attention from traders monitoring the platform’s recovery.

BlockBeats report: On August 31, the prediction market platform Polymarket experienced a major outage. The official status page indicated that the Trading API (CLOB) encountered "open order read response delays" starting at approximately 6:30 UTC, resulting in a complete halt of trading.


The website is accessible and market data can be viewed, but users are unable to place trades. The official team is currently addressing the issue and aims to restore trading by no later than 10:00 UTC. Prior to restoration, the platform will enter a 15-minute cancel-only mode. All other systems—including the website, data feeds, and authentication—are functioning normally.

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