+ extra "Minimum" backfill size that backfills in a lot less than each day In case you have already some data from right now IMPORTANT: IQFeed gives unfiltered data. Therefore no tick is filtered out consequently You may even see a lot of negative ticks. This could improve when https://data-for-amibroker12222.frewwebs.com/29526792/an-unbiased-view-of-amibroker-data