Alpaca incident

Order Status Disrepancies

Resolved after 3 hours 10 minutes, affecting Orders API and Positions API, on August 4, 2026.

resolved Aug 04, 2026, 06:48 AM UTC

This issue has been resolved. If you are experiencing discrepancies, please reach out to Alpaca support.

Started
Aug 04, 2026, 03:37 AM UTC
Resolved
Aug 04, 2026, 06:48 AM UTC
Duration
3h 10m
Detected by Pingoru
Aug 04, 2026, 03:37 AM UTC

Affected components

Orders APIPositions API

Update timeline

  1. 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.

  2. identified Aug 04, 2026, 03:55 AM UTC

    Root cause identified: duplicate executions were triggered during OMS reset.

  3. identified Aug 04, 2026, 03:57 AM UTC

    The issue has been identified, and we are working on remediation path

  4. identified Aug 04, 2026, 04:02 AM UTC

    We are continuing to work on a fix for this issue.

  5. 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.

  6. resolved Aug 04, 2026, 06:48 AM UTC

    This issue has been resolved. If you are experiencing discrepancies, please reach out to Alpaca support.

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