Allow mixed EOD/Intraday data - it allows to operate with database that includes a combination of intraday and EOD data in a single data file. If That is turned on then in intraday modes EOD bars are taken off on-the-fly As well as in everyday mode EOD bars are https://amibroker-data-feed87418.blogkoo.com/the-definitive-guide-to-data-feed-for-amibroker-48530925