Financial simulations

This project started with these two questions:

• If I stop working, how long can my savings last?
• How much can I save over the next couple of years given my current income, expenses, and wealth?

It's a simple simulation, but it can be quite useful.

It takes into account:

• Stock savings (assuming global EFT) and the adjustable annual return rate
• Bonds savings and the adjustable annual return rate
• Cash savings
• Inflation rate (adjustable, but static)
• Monthly Income and expenses
• Investments in real estate, mortgage, and the income from renting
• Reinvestment of the spare cash into stocks and bonds with the adjustable ratio
• When there's no more cash, it sells stocks, bonds and then real estate to cover the expenses
• Historical ACWI data to simulate the stock rate of return - very naive approach with no consideration of the current market situation
• Historical inflation rate to simulate the future - same as the above, very naive random approach from mean and std deviation

It doesn't take into account:

• Taxes
• Other sources of income
• ...

Things to do:

• Add more visualizations

Visualizations

• https://finsim.streamlit.app/ - simulate how long your savings will last
• https://firesim.streamlit.app/ - simulate when you reach financial independence

tests

pipx install nox

nox

locales

To support multiple languages, this project uses babel python library. To create the base translation file, run:

pybabel extract src/view -o locale/base.pot         

To create a new translation file, run:

pybabel init -i locale/base.pot -d locale -l pl_PL
pybabel init -i locale/base.pot -d locale -l en_US

To update the translation file, run:

pybabel update -i locale/base.pot -d locale

To compile the translation file, run:

pybabel compile -d locale