It appears that if an API application places an order, and then TWS and the API app are shut down and started again, and then the order is filled, the API application does not receive an order status event for the order. Find out how to get order events that were placed during previous API sessions.
It appears that if an API application places an order, and then TWS and the API app are shut down and started again, and then the order is filled, the API application does not receive an order status event for the order. Find out how to get order events that were placed during previous API sessions.