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Tutorials for SimFin - Simple financial data for Python
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SimFin Tutorials

Original repository on GitHub


SimFin is a database with financial data such as Income Statements, Balance Sheets and Cash Flow Statements, along with a simple Python API for downloading and using the data. These tutorials show how to use the SimFin API and data.


There is a video on YouTube with an overview of these tutorials, and another video on how to backtest and optimize a stock-screener based on Tutorial 7.


  1. Basics (Notebook) (Google Colab)
  2. Resampling (Notebook) (Google Colab)
  3. Growth & Returns (Notebook) (Google Colab)
  4. Signals (Notebook) (Google Colab)
  5. Data Hubs (Notebook) (Google Colab)
  6. Performance Tips (Notebook) (Google Colab)
  7. Stock Screener (Notebook) (Google Colab)
  8. Statistical Analysis (Notebook) (Google Colab)
  9. Machine Learning (Notebook) (Google Colab)
  10. Neural Networks (Notebook) (Google Colab)

There is also a collection of small recipes (Notebook) (Google Colab)


If you want to run these tutorials on your own computer, then it is recommended that you download the whole repository from GitHub, instead of just downloading the individual Python Notebooks.


The easiest way to download and install this is by using git from the command-line:

git clone

This creates the directory simfin-tutorials and downloads all the files to it.

This also makes it easy to update the files, simply by executing this command inside that directory:

git pull


You can also download the contents of the GitHub repository as a Zip-file and extract it manually.


If you want to run these tutorials on your own computer, then it is best to use a virtual environment when installing the required packages, so you can easily delete the environment again. You write the following in a Linux terminal:

virtualenv simfin-env

Or you can use Anaconda instead of a virtualenv:

conda create --name simfin-env python=3

Then you switch to the virtual environment and install the required packages.

source activate simfin-env
pip install -r requirements.txt

When you are done working on the project you can deactivate the virtualenv:

source deactivate

How To Run

Once you have installed the required Python packages in a virtual environment, you run the following command from the simfin-tutorials directory to view and edit the Notebooks:

source activate simfin-env
jupyter notebook

Run in Google Colab

If you do not want to install anything on your own computer, then the Notebooks can be viewed, edited and run entirely on the internet by using Google Colab.

You can click the "Google Colab"-link next to the tutorials listed above. You can view the Notebook on Colab but in order to run it you need to login using your Google account.

All the required Python packages should already be installed on Google Colab, except for simfin which you can install by executing the following command at the top of the Notebook:

!pip install simfin

If that is insufficient, then you can clone this entire GitHub repository to your Google Colab account, and execute the following commands at the top of the Notebook, to install all requirements:

# Clone the repository from GitHub to Google Colab's temporary drive.
import os
work_dir = "/content/simfin-tutorials/"
if not os.path.exists(work_dir):
    !git clone

# Install the required Python packages.
!pip install -r requirements.txt

Note that you will need to run this every time you login to Google Colab.


All the Notebooks can be run automatically and tested for errors. This is particularly useful for developers who are making changes to the simfin package, because it complements the unit-tests and data-tests with more realistic use-cases.

First you need to install nbval:

pip install nbval

Then you can execute all the Notebooks and test them for errors by running the following command from the directory where the Notebooks are located:

pytest --nbval-lax -v

Note that this will only test for errors and exceptions. It will not test whether the new output matches the old output found in the Notebooks, because the datasets are continually updated.

License (MIT)

This is published under the MIT License which allows very broad use for both academic and commercial purposes.

You are very welcome to modify and use this source-code in your own project. Please keep a link to the original repository.

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