BusinessThe ProfessorBeginner
Mortgage Credit Risk Modeling, a free business course on Tomo

Mortgage Credit Risk Modeling

Learn how banks predict who will pay back their home loans using data, math, and code. Master the core metrics and models that keep the global housing market stable.

Like Duolingo, but for Mortgage Credit Risk Modeling. Tomo turns the whole topic into a game you play five minutes a day, until it actually sticks.

24 levels across 3 sections, about 48 minutes end to end, roughly 10 days at five minutes a day. It moves through The Foundations of Default, Building and Scoring, and Real-World Constraints. It starts from scratch.

24 bite-size levelsAbout 5 minutes each

Free forever · No credit card · iPhone & Android

Morty the Money Mouse, the guide who teaches the Mortgage Credit Risk Modeling course
Mortgage Credit Risk Modeling
with Morty the Money Mouse
24
Levels
3
Sections
5
Min/day
What you'll learn

Key ideas in Mortgage Credit Risk Modeling

  • Credit risk as a statistical probability
  • Delinquency vs Default
  • Credit risk definition
  • The 90-day default standard
  • Risk scores and frequency
  • Modeling lateness vs default
  • The formal definition of a mortgage default
  • Models look for correlations between past borrower behavior and loan outcomes
  • The definition of credit risk as a statistical probability of non-payment
  • Historical data acts as the 'answer key' for training a risk model
  • Specific traits like debt-to-income ratios are key indicators of future performance
  • Mortgage portfolios are so large that small percentages equal millions of dollars
  • Better accuracy means avoiding loans that would have resulted in expensive foreclosures
  • Small gains in prediction help banks set aside less 'emergency' cash and lend more
  • How historical data patterns separate borrower types
  • Models apply the same mathematical rules to every applicant without bias
Why not just Google it

You've tried the other tabs

Wikipedia

Thirty open tabs. Four facts you actually kept.

YouTube

You watched. You nodded. By Sunday it was gone.

ChatGPT

One answer, then back to scrolling.

Online courses

Eight weeks. You meant to finish. You didn't.

Tomo gives Mortgage Credit Risk Modeling the Duolingo treatment: levels, streaks, and quick quizzes that test what you just learned. That game loop is what the tabs above never had, so it's the one you actually finish.

Try a question

Here's what playing it feels like

A real question from this course. Take your best guess.

Defining the Risk of Default

When a bank calculates credit risk for a mortgage, how is that risk typically expressed in a model?

Get it right to open this lesson and 23 more in the app.

Course map

Where Mortgage Credit Risk Modeling takes you

  1. 1

    The Foundations of Default

    • Predicting the 'Will They Pay?' Question
    • The Three Pillars: PD, LGD, and EAD
  2. 2

    Building and Scoring

    • Scoring Borrowers with Logistic Regression
    • Identifying the Best Predictors
    • Measuring Model Accuracy
  3. 3

    Real-World Constraints

    • Stress Testing and Economic Shocks
    • Fair Lending and Model Ethics
    • From Risk Scores to Bank Strategy

3 sections · 8 units · 24 levels. Built to play, not to enroll.

How it's taught

You pick the voice

This course
The Professor

Mortgage Credit Risk Modeling is taught in the The Professor style: clear, structured, thorough. Want a different feel? In the app you can spin up the same topic in any of Tomo's teaching styles. Same facts, totally different vibe.

Keep going

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Start Mortgage Credit Risk Modeling today.

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