Alpaca experienced a notice incident on August 4, 2026 affecting Orders API and Positions API, lasting 3h 10m. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 04, 2026, 03:37 AM UTC
We are currently investigating order processing irregularities. We are actively working to identify all impacted orders and coordinate a resolution. Further updates will be provided as we gather more information.
- identified Aug 04, 2026, 03:55 AM UTC
Root cause identified: duplicate executions were triggered during OMS reset.
- identified Aug 04, 2026, 03:57 AM UTC
The issue has been identified, and we are working on remediation path
- identified Aug 04, 2026, 04:02 AM UTC
We are continuing to work on a fix for this issue.
- monitoring Aug 04, 2026, 06:00 AM UTC
Order event processing has been resolved. We are continuing to monitor and will provide further updates if needed.
- resolved Aug 04, 2026, 06:48 AM UTC
This issue has been resolved. If you are experiencing discrepancies, please reach out to Alpaca support.