Why ML Models Disagree About Stock Returns

Model disagreement in asset pricing isn’t noise — it’s geometry. A look at what happens when you point different ML architectures at the same return prediction problem.

What Regularization Actually Does to Your Portfolio

Ridge regression doesn’t just shrink coefficients — it encodes a prior about which directions in return space are worth betting on.

What I Learned Building a Football Prediction System

Building a research-grade match prediction system taught me more about model evaluation than any textbook.