Features
Step-by-step strategy building from scratch
Covers ETF selection and portfolio allocation methods
Teaches rebalancing, stop-loss, and take-profit rules
Performance evaluation from four key perspectives
Overfitting prevention techniques (walk-forward, cross-validation)
Live trading execution guidance
Strategy monitoring, diagnostics, and iteration
Introduction to factor research
All content available as open-source markdown
Companion Jupyter notebooks in separate repo
Community-driven feedback via GitHub issues
WeChat reader group for direct support
Dual license (CC BY-NC-SA for content, MIT for code)
Supports GitBook and VitePress static site publishing
Natural language query input
Step-by-step solutions (Pro)
Algorithmic computation engine
Curated knowledgebase across domains
Visual plots and graphics
Unit and measure conversions
Physics and chemistry problem solver
Statistical analysis tools
Money and finance computations
Date and time calculations
Personal health and nutrition data
Mobile app for iOS and Android
Wolfram Problem Generator