26-03-20 is the format of the data in the 2025 03 - 15 to 22 file.

2026-03-20 is the correct format.

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Koinly thinks the year is 2020 but it should be 2026.

This results in an import dating to 2014 and 2015 years which is wrong as Koinly doesn’t assign the 26 as a year and treats it like a date.