PolygonIO incident

Missing UTP Trade Data from 12/04/2025 (4:00 PM ET)

Resolved after 18 hours 48 minutes, affecting Market Data REST Endpoints and Market Data WebSocket Channels and 1 more, on December 5, 2025.

identified Dec 05, 2025, 06:30 PM UTC

We have identified missing trades for UTP securities affecting the 4:00 PM ET market close on December 4, 2025. The team is currently backfilling this data. Full restoration is scheduled for completion at midnight (12:00 AM ET) on 12/06/2025. We apologize for the inconvenience.

Started
Dec 05, 2025, 06:30 PM UTC
Resolved
Dec 06, 2025, 01:19 PM UTC
Duration
18h 48m
Detected by Pingoru
Dec 05, 2025, 06:30 PM UTC

Affected components

Market Data REST EndpointsMarket Data WebSocket ChannelsMarket Data Flat Files

Update timeline

  1. identified Dec 05, 2025, 06:30 PM UTC

    We have identified missing trades for UTP securities affecting the 4:00 PM ET market close on December 4, 2025. The team is currently backfilling this data. Full restoration is scheduled for completion at midnight (12:00 AM ET) on 12/06/2025. We apologize for the inconvenience.

  2. resolved Dec 06, 2025, 01:19 PM UTC

    This incident has been resolved.

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