About ML4T

The definitive guide to applying machine learning in systematic trading, now in its third edition.

Stefan Jansen

Author & Quantitative Researcher

Stefan Jansen is the author of Machine Learning for Trading, now in its third edition. With over 15 years of experience in quantitative finance and machine learning, he has worked with hedge funds, asset managers, and financial institutions to build systematic trading strategies.

Background

  • Author, Machine Learning for Trading (1st, 2nd, 3rd editions)
  • Former Head of Data Science at a systematic hedge fund
  • Contributor to open-source quantitative finance libraries
  • Speaker at major quantitative finance conferences

The Evolution of ML4T

Continuously updated to reflect the latest in ML and quantitative finance

1st
2018

Foundations of ML for trading

2nd
2020

Deep learning and NLP for finance

3rd
Latest
2025

Agent-first workflow and modern stack

How I Work

ML4T is built on the principle that successful systematic trading requires a rigorous, end-to-end methodology. The workflow emphasizes reproducibility, statistical rigor, and production-readiness from day one.

Every technique in the book has been tested in real trading environments. The libraries aren't academic exercises—they're the same tools used with professional trading teams. The case studies represent realistic strategies.

My approach combines academic research with practical implementation. I believe in open-source development, transparent methodologies, and community contribution.

16K+
GitHub Stars
800+
Pages
150+
Notebooks
3
Editions

Working on Implementation?

If your team is implementing parts of this stack and would benefit from direct guidance, I occasionally work with select organizations on strategy development, infrastructure design, and team training.