Overfitting and Regularization

Lesson Overview

In "Machine Learning for Trading" → "Model Training", this lesson "Overfitting and Regularization" builds knowledge you can apply immediately.

ML overfitting: train 95%, test 52%. Use time-series CV, regularization, early stopping.

Core Concepts

These points align with the video walkthrough—take notes as you watch.

• ▸ML overfitting: train 95%, test 52%.
• ▸Use time-series CV, regularization, early stopping.

Practical Application

After studying, complete the companion practice lesson to move from understanding to doing.

• ▸Follow along in Jupyter or VS Code
• ▸Log how parameter changes affect backtest results
• ▸Submit a reproducible analysis notebook

FAQ

• ▸Q: How does this lesson fit the course? A: Part of "Model Training"—follow the curriculum order.
• ▸Q: What do I need? A: Demo account and notes; quant lessons need a Python environment.
• ▸Q: How do I know I've mastered it? A: Pass the quiz and explain three key points of Overfitting and Regularization on your own.