This is because IB feed was NOT made as tick-by-tick and hardly ever intended to develop time&profits collection, but rather exclusively to update TWS Show grid. SHUT (purple mild) means that some significant issue transpired and the plugin will not make an effort to reconnect routinely. Historical Data Feeds: https://data-for-amibroker87429.fare-blog.com/29034569/everything-about-data-for-amibroker