Transaction Tax @ B3

FIIZ TAX was a startup founded in 2020 by me in the city of Sao Paulo, Brazil. The company provided a complete online and automated system for performing financial transaction tax calculation in the Brazilian stock exchange BM&FBOVESPA (B3).

The tool used the brokerage note for calculating taxes and for managing portfolios. By the end of the year of 2020, FIIZ TAX helped over 200 private investors, and managed more than USD 10M in transactions. Curently, all core systems of FIIX TAX are open source on GitHub.


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Jaime Dantas, MSc