Permit mixed EOD/Intraday data - it allows to operate with database that includes a combination of intraday and EOD data in one data file. If This can be turned on then in intraday modes EOD bars are taken out on-the-fly As well as in each day manner EOD bars https://charliejigcz.win-blog.com/9010868/data-feed-for-amibroker-an-overview