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Outage in Alpaca

Overnight Trading Symbol Status Update Issue

Resolved Minor
May 15, 2026 - Started 10 days ago - Lasted about 2 hours
Official incident page

Incident Report

We have identified an issue where certain securities available for overnight trading are incorrectly marked as restricted. Impact Clients may be unable to place trades for specific newly listed overnight-tradable securities. Regular trading hours and other asset classes remain unaffected.

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Latest Updates ( sorted recent to last )
RESOLVED 10 days ago - at 05/15/2026 06:30AM

After monitoring we are no longer seeing issues. Overnight trading symbol eligibility appears to be operating normally.

MONITORING 10 days ago - at 05/15/2026 06:02AM

Mitigation measures have been implemented, and services are showing signs of recovery. We are currently validating the overnight trading symbol set and transitioning into a monitoring phase while final verification checks are completed.

IDENTIFIED 10 days ago - at 05/15/2026 05:26AM

We identified a likely root cause. The team is restoring the correct configuration. Investigation is ongoing, and we will share another update once recovery is confirmed.

INVESTIGATING 10 days ago - at 05/15/2026 05:14AM

We have identified an issue where certain securities available for overnight trading are incorrectly marked as restricted.
Impact Clients may be unable to place trades for specific newly listed overnight-tradable securities. Regular trading hours and other asset classes remain unaffected.

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