Pay Down or Invest?

A Google Colab Notebook showing how to use the Mortek API to compare the value of paying down a mortgage vs investing in the S&P 500.

View the notebook on Google Colab: View Notebook

Concepts Demonstrated

• Generate a payment schedule using the /payment endpoint
• Create different amortization schedules using the /amortization_schedule endpoint to compare how much total interest is paid during a mortgage term and the mortgage balance at the end of the term.
  • A base schedule with no extra principal payment data
  • Alternate schedule with extra principal payments applied