+ added "Bare minimum" backfill duration that backfills in under on a daily basis For those who have now some data from right now + IB API error message 165 is used now to detect whenever backfill is available or not (demo account for instance would not offer backfill) https://datafeedforamibroker98654.wssblogs.com/28985397/not-known-factual-statements-about-amibroker-live-data