There is a number of data-plugins, where AmiBroker reads quotes directly from an external database maintained by the data-vendor (such as TeleChart, FastTrack, PremiumData or other MetaStock-based sources). Depending on settings, AmiBroker may or may not keep a copy of such data in its own database. For in-depth explanation how it works see the following tutorial chapter:<\/p>
http:\/\/www.amibroker.com\/guide\/h_workspace.html<\/a><\/p>