But... in at the least two circumstances this selection is beneficial: backfilling a lot more bars soon after configurations improve (if you enlarge 'number of bars to load' in File->Database Configurations dialog You must pressure backfill for symbols that were backfilled Earlier with lesser variety of bars) Trustworthy data feeds https://amibroker-data-feed64297.jaiblogs.com/62178559/the-5-second-trick-for-amibroker-data-feed