PolygonIO is currently experiencing a major incident affecting Market Data REST Endpoints and Market Data WebSocket Channels, which began 2h ago. The vendor's full update timeline is below.
Affected components
Market Data REST EndpointsMarket Data WebSocket Channels
Update timeline
- investigating Sep 09, 2026, 12:26 AM UTC
Beginning around 6:46 PM ET, aggregate bars for roughly two-thirds of US equities are missing from the v2 aggregates endpoint, the v2 stocks snapshot, and the A/AM websocket channels. Trades and the v3 snapshot are unaffected.
- identified Sep 09, 2026, 12:42 AM UTC
The issue has been identified and a fix is being implemented.
- monitoring Sep 09, 2026, 12:58 AM UTC
A fix has been implemented and we are monitoring the results.