Polymarket - Notice history

All systems operational

Polymarket Web App - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Account Access & Authentication - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026
99.93% uptime

Predictions Trading API (CLOB) - Operational

99.67% uptime
Mar 2026 · 99.19%Apr · 100.0%May · 99.84%

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Mar 2026
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Websocket (RTDS) - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Markets and Position Data - Operational

99.97% uptime
Mar 2026 · 99.91%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Clob Websocket - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

On-chain Settlement (Polygon RPC) - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026
100.0% uptime

Perpetuals Trading - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Perpetuals API - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Perpetuals Market Data - Operational

100.0% uptime
Mar 2026 · 100.0%Apr · 100.0%May · 100.0%

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Mar 2026
Apr 2026
May 2026

Notice history

View current status

May 2026

Clob issue identified - Trading affected
ResolvedPartial outage52 minutes
  • ResolvedUTC

    Trading is restored. Thanks for your patience while we worked through the fix.

  • MonitoringUTC

    There will be a CLOB restart at 13:10 UTC to roll-out the fix.

  • IdentifiedUTC

    We are working on a fix for an issue affecting trading

MAY29
Scheduled CLOB maintenance
CompletedMaintenance28 minutes
  • 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.

MAY27
Scheduled CLOB maintenance
CompletedMaintenance
  • PlannedMay 27, 2026 at 12:40 PMUTC

    Brief CLOB restart to roll out additional components as part of our ongoing latency-focused upgrades.

    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 this page as the restart progresses.

  • CompletedMay 27, 2026 at 12:37 PMUTC

    This maintenance has been cancelled and will be rescheduled. No action needed.

MAY22
Scheduled CLOB maintenance
CompletedMaintenance
  • CompletedMay 22, 2026 at 12:10 PMUTC

    Maintenance complete, trading is back to normal.

    Thanks for your patience.

  • In progressMay 22, 2026 at 12:10 PMUTC
    Maintenance is now in progress
  • PlannedMay 22, 2026 at 12:10 PMUTC

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

    • 2 min cancel-only + post-only window after restart. Cancels and orders with postOnly: true will be accepted (See API reference here); market orders and taking liquidity will be rejected. Normal matching resumes shortly after.

MAY20
Additional maintenance
CompletedMaintenance20 minutes
  • CompletedMay 20, 2026 at 3:10 PMUTC
    Maintenance has completed successfully.
  • UpdateMay 20, 2026 at 3:03 PMUTC

    Maintenance still in progress, the Clob will restart shortly, and trading will be paused for ~5min.

  • In progressMay 20, 2026 at 2:50 PMUTC
    Maintenance is now in progress
  • UpdateMay 20, 2026 at 2:50 PMUTC

    Brief CLOB restart to roll out an update. Trading will be paused for ~10 minutes.

  • PlannedMay 20, 2026 at 2:50 PMUTC

    Brief CLOB restart to roll out an update. Trading will be paused for ~10 minutes.
    2 min of post + cancel only mode once back up

Apr 2026

APR28
CLOB v2 exchange upgrade
CompletedMaintenance1 hour 29 minutes
  • CompletedApril 28, 2026 at 12:29 PMUTC
    Maintenance has completed successfully.
  • UpdateApril 28, 2026 at 12:06 PMUTC

    The CLOB v2 upgrade is still in progress. Funds and positions are safe. The team is actively working through the final steps.

  • In progressApril 28, 2026 at 11:04 AMUTC

    Maintenance is now in progress, for approximately 1 hour.

  • PlannedApril 28, 2026 at 11:00 AMUTC

    We're upgrading the CLOB v2 exchange to improve performance and reliability. The platform will be under maintenance during the window. Open orders will be cleared, and you should re-place any limit orders once trading resumes.

Mar 2026

Incident resolved
ResolvedPartial outage10 minutes
  • ResolvedUTC
    Incident resolved
  • InvestigatingUTC
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
ResolvedPartial outage19 minutes
  • ResolvedUTC
    Incident resolved
  • InvestigatingUTC
    There is a problem with one of the CLOB API components (tracker). Our team is working on a solution.
Incident resolved
ResolvedPartial outage9 minutes
  • UpdateUTC
    Incident resolved
  • ResolvedUTC
    Incident resolved
  • InvestigatingUTC
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
ResolvedPartial outage9 minutes
  • ResolvedUTC
    Incident resolved
  • InvestigatingUTC
    There is a problem with one of the Markets API components (search engine). Our team is working on a solution.
Incident resolved
ResolvedPartial outage4 minutes
  • UpdateUTC
    Incident resolved
  • ResolvedUTC
    Incident resolved
  • InvestigatingUTC
    There is a problem with one of the CLOB API components (tracker). Our team is working on a solution.

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