Having said that, while buying and selling manually, traders could only find out and trade inside of a restricted quantity of stocks. It is because IB feed was NOT intended as tick-by-tick and hardly ever intended to produce time&product sales sequence, but somewhat entirely to update TWS display grid. https://dataforamibroker08520.livebloggs.com/35181968/the-fact-about-data-feed-for-amibroker-that-no-one-is-suggesting