The present Model is with 30 days validity from Registration…. your responses and feed backs will likely be handy to improve the utility. It's because IB feed was NOT intended as tick-by-tick and by no means meant to develop time&sales sequence, but rather only to update TWS display grid. https://collinywwwu.full-design.com/5-simple-statements-about-data-feed-for-amibroker-explained-71676857