But... in at the very least two cases this selection is beneficial: backfilling much more bars just after options alter (after you enlarge 'amount of bars to load' in File->Database Settings dialog You should pressure backfill for symbols that were backfilled Earlier with smaller sized range of bars) Selecting the https://amibrokerdatafeed86418.ja-blog.com/35269905/amibroker-data-feed-options