A trading blog that uses market data to test technical analysis claims and explain market behavior such as breadth and volatility. Readers get quantified, skeptical analysis aimed at active traders, with room left for discretionary judgment.

Moontower Blog covers options trading, volatility and investing from the perspective of a veteran options trader. Readers get essays on option theory and decision-making, annotated interview takeaways, and product walkthroughs for the Moontower screening tools.

QuantDojo.ai is a newsletter teaching quantitative trading practice, covering risk of ruin, minimum account sizing, and backtesting versus paper trading. Readers get worked formulas and concrete numerical examples to test trading strategies rigorously before risking capital.

A Spanish-language newsletter on trading and markets covering bitcoin, technical indicators and Wall Street developments. Issues combine market news with educational explanations of how to read data and use trading tools.