But... in a minimum of two situations this selection is helpful: backfilling extra bars after options alter (if you enlarge 'amount of bars to load' in File->Database Configurations dialog you have to force backfill for symbols that were backfilled previously with scaled-down range of bars) The data feed is quite https://amibrokerdatafeed63186.getblogs.net/67689468/amibroker-data-fundamentals-explained