Polymarket - Notice history

All systems operational

Polymarket Web App - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 99.96%Sep · 100.0%

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Jul 2026
Aug 2026
Sep 2026

Account Access & Authentication - Operational

100% - uptime
Jul 2026 · 99.95%Aug · 100.0%Sep · 100.0%

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Jul 2026
Aug 2026
Sep 2026
100% - uptime

Predictions Trading API (CLOB) - Operational

99% - uptime
Jul 2026 · 99.92%Aug · 98.59%Sep · 98.91%

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Jul 2026
Aug 2026
Sep 2026

Websocket (RTDS) - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 100.0%Sep · 99.56%

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Jul 2026
Aug 2026
Sep 2026

Markets and Position Data - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 100.0%Sep · 99.56%

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Jul 2026
Aug 2026
Sep 2026

Clob Websocket - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 99.57%Sep · 99.56%

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Jul 2026
Aug 2026
Sep 2026

On-chain Settlement (Polygon RPC) - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 100.0%Sep · 99.56%

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Jul 2026
Aug 2026
Sep 2026
100% - uptime

Perpetuals Trading - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 98.66%Sep · 100.0%

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Jul 2026
Aug 2026
Sep 2026

Perpetuals API - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 98.66%Sep · 100.0%

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Jul 2026
Aug 2026
Sep 2026

Perpetuals Market Data - Operational

100% - uptime
Jul 2026 · 100.0%Aug · 99.46%Sep · 100.0%

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Jul 2026
Aug 2026
Sep 2026

Notice history

Sep 2026

Trading Degraded - Predictions
  • Resolved
    UTC
    Resolved

    Trading is now back online. The disruption was caused by degraded block production on Polygon PoS, which delayed transaction confirmations. The issue has now been resolved: https://status.polygon.technology/incidents/01M2XMCZJ4EXFC5Q2AH7XQ0NDD

    Apologies for the delay, and thank you for your patience.

  • Monitoring
    UTC
    Monitoring

    Trading will be re-enabled at 16:10 ET (20:10 UTC). Apologies for the delay.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Trading Degraded - Predictions
  • Resolved
    UTC
    Resolved

    Trading is now back online. Apologies for the delay, and thank you for your patience.

  • Monitoring
    UTC
    Monitoring

    Trading will be re-enabled at 14:55 ET (18:55 UTC). Apologies for the delay.

  • Identified
    UTC
    Identified

    We are currently in cancel-only mode and will remain in this mode until we resolve the root cause. Trading will resume once the issue is fixed.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Scheduled Maintenance - Perps
  • Completed
    September 17, 2026 at 8:32 AMUTC
    Completed
    September 17, 2026 at 8:32 AMUTC

    Maintenance has completed successfully.

  • In progress
    September 17, 2026 at 8:00 AMUTC
    In progress
    September 17, 2026 at 8:00 AMUTC
    Maintenance is now in progress
  • Planned
    September 17, 2026 at 7:54 AMUTC
    Planned
    September 17, 2026 at 7:54 AMUTC

    We are planning for a perpetuals scheduled maintenance for releasing components during that time.

Scheduled CLOB maintenance (No downtime expected)
  • Completed
    September 15, 2026 at 4:30 AMUTC
    Completed
    September 15, 2026 at 4:30 AMUTC
    Maintenance has completed successfully
  • In progress
    September 15, 2026 at 4:00 AMUTC
    In progress
    September 15, 2026 at 4:00 AMUTC
    Maintenance is now in progress
  • Planned
    September 14, 2026 at 5:35 PMUTC
    Planned
    September 14, 2026 at 5:35 PMUTC

    We are updating periphery services for the CLOB. No downtime is expected. Users may experience temporary degradation around API key creation and deletes.

Trading Degraded - Predictions
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified

    We are working on a fix for this incident.

Aug 2026

Issues with delayed open order read responses
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    The fix is complete and we are currently in cancel-only mode. Trading will resume in 5 minutes.

  • Identified
    UTC
    Identified

    Trading will be temporarily paused for a short while we apply a fix. Cancel-only mode will be enabled before normal trading resumes.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Issues with delayed open order read responses
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Monitoring
    UTC
    Monitoring

    The fix has been applied and we will remain in cancel-only mode until 10:40am UTC before trading resumes.

  • Update
    UTC
    Update

    The fix for the issue is still being applied. We are targeting 11:00am UTC for full trading resumption, with cancel-only mode for at least 15 minutes beforehand.

  • Update
    UTC
    Update

    A fix for the issue is in progress. We are targeting to resume trading by latest 10:00am UTC, but will send an updated ETA as we have it. There will be 15 minutes of cancel-only before trading resumes.

  • Identified
    UTC
    Identified

    We are pausing trading while we continue to address this incident. There will be a cancel-only mode before trading is resumed.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Issues with delayed open order read responses
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified

    We are currently in cancel-only mode and monitoring.

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Issues with delayed open order read responses
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified

    We are currently in cancel-only mode while monitoring the fix pushed out for the issue.

  • Update
    UTC
    Update

    We are pausing trading while we investigate the issue

  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
Scheduled CLOB maintenance
  • Completed
    August 28, 2026 at 5:00 AMUTC
    Completed
    August 28, 2026 at 5:00 AMUTC
    Maintenance has completed successfully
  • In progress
    August 28, 2026 at 4:00 AMUTC
    In progress
    August 28, 2026 at 4:00 AMUTC
    Maintenance is now in progress
  • Planned
    August 27, 2026 at 9:39 PMUTC
    Planned
    August 27, 2026 at 9:39 PMUTC

    A scheduled CLOB release requires a brief restart, with downtime of up to ~10 minutes. Order placement, cancels, and fills may be temporarily unavailable.

Jul 2026

Degraded trading performance
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating

    We are currently investigating an incident causing slowed order processing.

Lag in price history | market charts
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating

    We are currently investigating an incident involving lag in the /price-history endpoint.

    This causes charts on markets to load slowly or not load in some cases.

There's update lag in our /price-history endpoint for some markets
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified

    We are continuing on backfill to populate back the data

  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Investigating
    UTC
    Investigating
    We are currently investigating this incident.
There's update lag in our /price-history endpoint for some markets
  • Resolved
    UTC
    Resolved
    This incident has been resolved.
  • Identified
    UTC
    Identified
    We are continuing to work on a fix for this incident.
Trading Maintenance
  • Completed
    July 28, 2026 at 9:34 AMUTC
    Completed
    July 28, 2026 at 9:34 AMUTC
    Maintenance has completed successfully.
  • Update
    July 28, 2026 at 8:57 AMUTC
    Update
    July 28, 2026 at 8:57 AMUTC

    Maintenance extended for rollback procedure

  • In progress
    July 28, 2026 at 8:40 AMUTC
    In progress
    July 28, 2026 at 8:40 AMUTC
    Maintenance is now in progress
  • Planned
    July 28, 2026 at 8:39 AMUTC
    Planned
    July 28, 2026 at 8:39 AMUTC

    The team is revert the latest change which caused trading disruption.

    Trading will be paused, followed by post-only mode.

Jul 2026 to Sep 2026

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