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1099-DA Basis Gap Checker (2026 crypto) version history - 2 versions

1099-DA Basis Gap Checker (2026 crypto) by ReadyStack

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1099-DA Basis Gap Checker (2026 crypto) version history - 2 versions

  • Be careful with old versions! These versions are displayed for testing and reference purposes.You should always use the latest version of an add-on.

  • Latest version

    Version 1.0.2

    Released Sep 24, 2026 - 23.96 KB
    Works with firefox 140.0 and later
    Update: the tool opens on install, deadline reminders now fire from the background, one-time payment wording.

    Source code released under All Rights Reserved

    Download Firefox and get the extension
    Download file

  • Older versions

    Version 1.0.0

    Released Sep 15, 2026 - 20.66 KB
    Works with firefox 140.0 and later
    First release on AMO. Free tier is complete; the $ key unlocks the full version (Polar).

    Source code released under All Rights Reserved

    Download file