PolygonIO experienced a major incident on September 9, 2026 affecting Market Data REST Endpoints, lasting 8h 13m. The incident has been resolved; the full update timeline is below.
Affected components
Market Data REST Endpoints
Update timeline
- investigating Sep 09, 2026, 03:11 PM UTC
Beginning with the 3:15 AM ET session open on September 9, the v2 aggregates endpoint returns empty results for minute and hour bars on multiple index tickers. Second and daily index aggregates are unaffected, as are stocks, options, forex, and crypto.
- identified Sep 09, 2026, 04:39 PM UTC
The issue has been identified and a fix is being implemented.
- resolved Sep 09, 2026, 11:24 PM UTC
This incident has been resolved.