It is because IB feed was NOT intended as tick-by-tick and never ever intended to produce time&revenue collection, but alternatively only to update TWS Screen grid. It is best to request your brokerage/actual-time data vendor if they offer DDE connection. The DDE plugin now obtainable for AmiBroker lets to https://amibroker-data77766.blogprodesign.com/50929510/data-feed-for-amibroker-an-overview