Polymarket - Scheduled maintenance for CLOB – Maintenance details

All systems operational

OCT22

Scheduled maintenance for CLOB

CompletedOctober 22, 2026 at 5:00 AM – 6:00 AMUTC

Affects

Predictions

Under maintenance from 5:00 AM to 6:00 AM

Predictions Trading API (CLOB)

Under maintenance from 5:00 AM to 6:00 AM

Clob Websocket

Under maintenance from 5:00 AM to 6:00 AM

Updates
  • Completed
    October 22, 2026 at 6:00 AMUTC
    Completed
    October 22, 2026 at 6:00 AMUTC
    Maintenance has completed successfully
  • In progress
    October 22, 2026 at 5:00 AMUTC
    In progress
    October 22, 2026 at 5:00 AMUTC
    Maintenance is now in progress
  • Update
    October 21, 2026 at 3:42 PMUTC
    Update
    October 21, 2026 at 3:42 PMUTC

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

  • Planned
    October 21, 2026 at 3:17 PMUTC
    Planned
    October 21, 2026 at 3:17 PMUTC
    We are planning for a scheduled maintenance during that time.