Even though historic feeds update considerably less frequently than true-time feeds, they usually present much more detailed historical coverage and tend to be more affordable, generating them perfect for swing traders and position traders. cleaning up bad ticks (once you see a foul tick you could check out forcing backfill https://amibroker-data43197.angelinsblog.com/34253779/helping-the-others-realize-the-advantages-of-amibroker-data-feed