verotunkki

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FIFO based tax calculator with support for Coinbase, Coinbase Pro, Degiro & Nordnet

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# Verotunkki

![Build and deploy](https://github.com/jaantaponen/verotunkki/actions/workflows/build-deploy.yml/badge.svg)

This project initiated from the need to inform the Finnish Tax Administration (Verottaja) with transactions (wheter security or crypto) with FIFO based calculations. The aim of the project is to provide fast and easy calculation of your taxable capital gains (or losses).

Visit [https://jaantaponen.github.io/verotunkki/](https://jaantaponen.github.io/verotunkki/) to test it out!

# Example files

* [Coinbase](https://github.com/jaantaponen/verotunkki/blob/main/tests/files/SortIssuedCoinbase.csv)
* [CoinbasePro](https://github.com/jaantaponen/verotunkki/blob/main/tests/files/SortIssuedCoinbasePro.csv)
* [Degiro](https://github.com/jaantaponen/verotunkki/blob/main/tests/files/transactionsDegiro.csv)

### Need more examples?

You can see if one of the test files suits your needs [here](https://github.com/jaantaponen/verotunkki/tree/main/tests/files)

## Development instructions

Run the development server with 
```console
npm start
```

To run the unit tests with Jest use
```console
npm run tests
```

## FAQ
**Q:** How does Verotunkki calculate the results?

**A:** The method Verotunkki calculates and the groups the results of your transactions is a very common format called First in, First Out [(FIFO)](https://www.investopedia.com/terms/f/fifo.asp). This means if you give the algorithm a valid source of data it will produce a list with your sell orders divided as many buy transaction of what you have. From this data it's very easy to just sum your capital losses/gains. You can view an examples of the algorithm from the test [transactions](./tests/transactions.test.ts).

##
**Q:** What values do I need to report to the Tax Adminstartion (Verottaja)?

**A:** After inserting valid infromation, you can see the Capital Gain, Capital Loss and total transaction per capital type at the bottom of the page.
The same fields can be found from Omavero. Use the instructions provided on the official [site](https://www.vero.fi/henkiloasiakkaat/omaisuus/sijoitukset/virtuaalivaluutat/) to fill out official tax form.
##

**Q:** Help my CSV is parsed incorrectly!

**A:** Currently only Coinbase, Coinbase Pro, Nordnet and Degiro are supported as source of CSV files. If you have more complex transactions than there are tests for, please open an [issue](https://github.com/jaantaponen/verotunkki/issues/new)! Don't forget to provide the problematic CSV file.
##

**Q:** I want to help out, what can I do?

**A:** I would be so happy if you could help out! Writing more unit tests, improve the UI/UX. Fork the project and submit a PR!

verotunkki

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