Shortly after the close one of Alpaca’s extended-hours destinations asked that we route away from them as they were having a technical issue. At approximately 16:18 ET Alpaca was able to route away.
Impact New orders entered between 16:00 - 16:18 ET may have been rejected Existing orders that were routed and had a cancel_request may be in a pending_cancel state and we are working to get those into a canceled state with the market maker. (edited)
As of 5:05 PM ET, All orders in a pending_cancel state have been resolved