PolygonIO incident
Partial Data Unavailability for 2025-08-07 and 2025-08-08
PolygonIO experienced a major incident on August 10, 2025 affecting Market Data REST Endpoints and Market Data REST Endpoints and 1 more component, lasting 1d. The incident has been resolved; the full update timeline is below.
Affected components
Update timeline
- investigating Aug 10, 2025, 05:17 PM UTC
We are aware of an issue with Stock Aggregates being unavailable through the REST API, as well as missing Stock Minute Aggregates Flatfiles for the following dates: - Thursday, August 8th - Friday, August 9th We are actively investigating these issues.
- investigating Aug 10, 2025, 06:26 PM UTC
As we continue to investigate the issue we have identified other asset classes affected for dates previously mentioned dates (2025-08-07 and 2025-08-08). The current REST endpoints impacted are as follows: - Stock Aggregates - Stock Quotes - Stock Trades - Indices Minute & Hours Aggregates - Cryopto Trades - Forex Quotes The current Flatfiles impacted are as follows: - Stock Minute Aggregates Flatfile - Crypto Trades Flatfile - Crypto Minute Aggregates Flatfiles - Crypto Day Aggregates Flatfiles We appreciate your patience while we continue to work towards a resolution.
- identified Aug 10, 2025, 06:35 PM UTC
The issue has been identified and we are actively working on restoring the impacted data.
- identified Aug 10, 2025, 11:03 PM UTC
We have implemented a mitigation to return data to the REST endpoints. We are actively working on restoring data and regenerating flatfiles.
- monitoring Aug 11, 2025, 01:08 PM UTC
Flatfiles have been restored and we have seen no other disruptions in the previously affected REST endpoints since the mitigations were put in place yesterday evening (2025-08-11).
- resolved Aug 11, 2025, 05:28 PM UTC
This incident has been resolved.