All Systems Operational

About This Site

QCX LLC d/b/a Polymarket US provides this site to communicate the status of the Exchange, its systems, and select external partners upon which Polymarket US has operational dependencies. When an incident is in progress, periodic status updates will be provided here. If you are experiencing an issue accessing the Polymarket US systems, please check this page first before contacting support@polymarket.us to report the incident.

Uptime over the past 90 days. View historical uptime.
[Production] Polymarket US Exchange Operational
Infrastructure Partners Operational
AWS CloudFront CDN Operational
AWS Route53 Operational
AWS Load Balancers (us-east-1) Operational
AWS Load Balancers (us-east-2) Operational
AWS Virtual Networking Infrastructure (us-east-1) Operational
AWS Virtual Networking Infrastructure (us-east-2) Operational
Email Delivery Partners Operational
SendGrid API Operational
SendGrid API v3 Operational
[Pre-production] Polymarket US Exchange Operational
Operational
Degraded Performance
Partial Outage
Major Outage
Maintenance
Major outage
Partial outage
No downtime recorded on this day.
No data exists for this day.
had a major outage.
had a partial outage.

No incidents or maintenance related to this downtime.

Nov 15, 2026

No incidents reported today.

Nov 14, 2026

No incidents reported.

Nov 13, 2026

No incidents reported.

Nov 12, 2026

[PRE-PROD] Scheduled maintenance
Completed - The scheduled maintenance has been completed.
Nov 12, 05:30 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 12, 04:00 EST
Scheduled - We will be undergoing scheduled maintenance during this time.
Nov 9, 11:06 EST
Scheduled maintenance — FIX sessions updates
Completed - The scheduled maintenance has been completed.
Nov 12, 01:34 EST
Verifying - Verification is currently underway for the maintenance items.
Nov 12, 01:32 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 12, 01:00 EST
Scheduled - FIX sessions (across order entry, market data, and dropcopy) may briefly disconnect; reconnect and resubscribe as needed.

Rate limits are unchanged; outgoing market data is unaffected.
Nov 11, 17:45 EST

Nov 11, 2026

[PRE-PROD] Scheduled maintenance
Completed - The scheduled maintenance has been completed.
Nov 11, 07:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 11, 04:00 EST
Scheduled - We will be undergoing scheduled maintenance during this time.
Nov 9, 11:05 EST

Nov 10, 2026

No incidents reported.

Nov 9, 2026

No incidents reported.

Nov 8, 2026

No incidents reported.

Nov 7, 2026

No incidents reported.

Nov 6, 2026

No incidents reported.

Nov 5, 2026

Scheduled Maintenance
Completed - The scheduled maintenance has been completed.
Nov 5, 08:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 06:00 EST
Update - We will be undergoing scheduled maintenance during this time.
Nov 4, 17:41 EST
Scheduled - We will be undergoing scheduled maintenance during this time.

For market makers: For about 20 minutes, FIX clients can expect to receive a BusinessMessageReject (35=j, 380=4), not an OrderCancelReject. API clients will get gRPC FAILED_PRECONDITION, or HTTP 400 over REST. We will then cancel all open orders, as in every window.
Nov 4, 16:21 EST
[PRE-PROD] Scheduled maintenance
Completed - The scheduled maintenance has been completed.
Nov 5, 05:00 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 5, 04:00 EST
Scheduled - Preprod will enter and exit maintenance mode to test the maintenance workflow. Production is unaffected.
Nov 4, 12:55 EST

Nov 4, 2026

No incidents reported.

Nov 3, 2026

[PRE-PROD] Scheduled maintenance
Completed - The scheduled maintenance has been completed.
Nov 3, 22:56 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 22:26 EST
Scheduled - We will be undergoing scheduled maintenance during this time.
Nov 3, 22:25 EST
[PRE-PROD] Scheduled maintenance
Completed - The scheduled maintenance has been completed.
Nov 3, 20:37 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 19:37 EST
Scheduled - We will be undergoing scheduled maintenance during this time.
Nov 3, 19:36 EST
Scheduled maintenance — FIX and API gateway updates
Completed - Maintenance is complete. The work took longer than scheduled. FIX and API services are operational.
Nov 3, 04:13 EST
In progress - Scheduled maintenance is currently in progress. We will provide updates as necessary.
Nov 3, 01:00 EST
Scheduled - November 3, 1:00–2:00 AM EST: scheduled FIX and API gateway updates.

FIX sessions and gRPC streams may briefly disconnect; reconnect and resubscribe to market data as needed. Retry failed REST calls.

We are enabling the existing inbound application-message limit on FIX market data sessions. Rate limits are unchanged; outgoing market data is unaffected.
Nov 2, 19:39 EST

Nov 2, 2026

No incidents reported.

Nov 1, 2026

No incidents reported.

Incident History Powered by Atlassian Statuspage