Polymarket - Notice history

All systems operational

Website - Operational

100% - uptime
Apr 2026 · 100.0%May · 100.0%Jun · 100.0%

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Apr 2026
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CLOB API - Operational

100% - uptime
Apr 2026 · 100.0%May · 99.84%Jun · 99.99%

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Apr 2026
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Markets API - Operational

100% - uptime
Apr 2026 · 100.0%May · 100.0%Jun · 100.0%

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Apr 2026
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Polygon (RPC) - Operational

100% - uptime
Apr 2026 · 100.0%May · 100.0%Jun · 100.0%

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Apr 2026
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User auth - Operational

100% - uptime
Apr 2026 · 100.0%May · 100.0%Jun · 99.99%

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Apr 2026
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Sports API - Operational

100% - uptime
Apr 2026 · 100.0%May · 100.0%Jun · 100.0%

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Apr 2026
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Jun 2026

Notice history

Jun 2026

Scheduled CLOB maintenance
  • Completed
    June 18, 2026 at 4:18 AM
    Completed
    June 18, 2026 at 4:18 AM

    Maintenance is being rescheduled, targeted for tomorrow around the same time. Will post an updated maintenance alert shortly.

  • Planned
    June 17, 2026 at 8:26 PM
    Planned
    June 17, 2026 at 8:26 PM

    What to expect:

    • Trading intermittent for up to ~1 hour during the window. Orders won't match.

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

    Post-only: only orders explicitly set with postOnly: true and cancellation of open order are accepted. Regular limit orders without the flag, market orders, and any taking liquidity will be rejected.

    See POST /order API reference for the post-only flag.

Markets pages and gamma
  • Resolved
    Resolved
    This incident has been resolved.
  • Identified
    Identified

    We're investigating an issue causing the Markets page to be unavailable. We'll share updates as soon as we know more.

RTDS crypto price feeds and charts
  • Resolved
    Resolved
    This incident has been resolved.
  • Identified
    Identified

    We're aware of an issue affecting RTDS websockets, including price charts and feed on crypto markets and are currently investigating. We'll post an update here as soon as we have more.

Crypto charts and price feeds (RTDS)
  • Resolved
    Resolved
    This incident has been resolved.
  • Investigating
    Investigating

    We're aware of an issue affecting RTDS websockets, including price charts and feed on crypto markets and are currently investigating. We'll post an update here as soon as we have more.

Crypto charts and price feeds (RTDS)
  • Resolved
    Resolved
    This incident has been resolved.
  • Identified
    Identified

    We're aware of an issue affecting RTDS websockets, including price charts and feed on crypto markets and are currently investigating. We'll post an update here as soon as we have more.

May 2026

Clob issue identified - Trading affected
  • Resolved
    Resolved

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

  • Monitoring
    Monitoring

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

  • Identified
    Identified

    We are working on a fix for an issue affecting trading

Scheduled CLOB maintenance
  • Completed
    May 29, 2026 at 12:38 PM
    Completed
    May 29, 2026 at 12:38 PM

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

  • Update
    May 29, 2026 at 12:25 PM
    Update
    May 29, 2026 at 12:25 PM

    Maintenance extended and still in progress.

  • In progress
    May 29, 2026 at 12:10 PM
    In progress
    May 29, 2026 at 12:10 PM

    Maintenance is now in progress, estimated 15min of maintenance

  • Planned
    May 29, 2026 at 12:10 PM
    Planned
    May 29, 2026 at 12:10 PM

    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.

Scheduled CLOB maintenance
  • Planned
    May 27, 2026 at 12:40 PM
    Planned
    May 27, 2026 at 12:40 PM

    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.

  • Completed
    May 27, 2026 at 12:37 PM
    Completed
    May 27, 2026 at 12:37 PM

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

Scheduled CLOB maintenance
  • Completed
    May 22, 2026 at 12:10 PM
    Completed
    May 22, 2026 at 12:10 PM

    Maintenance complete, trading is back to normal.

    Thanks for your patience.

  • In progress
    May 22, 2026 at 12:10 PM
    In progress
    May 22, 2026 at 12:10 PM
    Maintenance is now in progress
  • Planned
    May 22, 2026 at 12:10 PM
    Planned
    May 22, 2026 at 12:10 PM

    • 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.

Additional maintenance
  • Completed
    May 20, 2026 at 3:10 PM
    Completed
    May 20, 2026 at 3:10 PM
    Maintenance has completed successfully.
  • Update
    May 20, 2026 at 3:03 PM
    Update
    May 20, 2026 at 3:03 PM

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

  • In progress
    May 20, 2026 at 2:50 PM
    In progress
    May 20, 2026 at 2:50 PM
    Maintenance is now in progress
  • Update
    May 20, 2026 at 2:50 PM
    Update
    May 20, 2026 at 2:50 PM

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

  • Planned
    May 20, 2026 at 2:50 PM
    Planned
    May 20, 2026 at 2:50 PM

    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

CLOB v2 exchange upgrade
  • Completed
    April 28, 2026 at 12:29 PM
    Completed
    April 28, 2026 at 12:29 PM
    Maintenance has completed successfully.
  • Update
    April 28, 2026 at 12:06 PM
    Update
    April 28, 2026 at 12:06 PM

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

  • In progress
    April 28, 2026 at 11:04 AM
    In progress
    April 28, 2026 at 11:04 AM

    Maintenance is now in progress, for approximately 1 hour.

  • Planned
    April 28, 2026 at 11:00 AM
    Planned
    April 28, 2026 at 11:00 AM

    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.

Apr 2026 to Jun 2026

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