Polymarket - Scheduled CLOB maintenance – Maintenance details

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MAY29

Scheduled CLOB maintenance

CompletedMay 29, 2026 at 12:10 PM – 12:38 PMUTC

Affects

Predictions

Under maintenance from 12:10 PM to 12:38 PM

Predictions Trading API (CLOB)

Under maintenance from 12:10 PM to 12:38 PM

  • CompletedMay 29, 2026 at 12:38 PMUTC

    CLOB components have restarted successfully and all services are back to normal. Thanks for your patience and sorry for the extended maintenance.

  • UpdateMay 29, 2026 at 12:25 PMUTC

    Maintenance extended and still in progress.

  • In progressMay 29, 2026 at 12:10 PMUTC

    Maintenance is now in progress, estimated 15min of maintenance

  • PlannedMay 29, 2026 at 12:10 PMUTC

    Brief CLOB restart to roll out additional components.


    Expected impact:

    • Intermittent trading for ~5-10 minutes. The CLOB will restart at ~12:10 UTC.

    • Brief post-only window after restart (2 min) before normal matching resumes.

    • Possible follow-up restart within 1 hr of the initial window if needed.


    We'll update the status page as the restart progresses.