But... in at the least two instances this option is useful: backfilling a lot more bars immediately after configurations improve (when you enlarge 'quantity of bars to load' in File->Database Settings dialog You must power backfill for symbols that were backfilled Formerly with smaller sized variety of bars) Trusted data https://amibroker-data-feed53197.therainblog.com/33992893/a-review-of-amibroker-data