Blog

Calm, honest notes on market fear, investor psychology and rule-based investing — written to help you decide before the storm, not during it.

July 10, 2026
What Is Backtesting — and How to Read the Results Honestly

A plain-language guide to what a backtest is, which metrics matter (drawdown before CAGR), overfitting warning signs, and how to use one honestly.
June 19, 2026
When Hedging Actually Pays Off — and When It Just Costs

When does hedging pay off, and when does it just cost returns? An honest look at vol hedges, defensive assets, and the rule-based answer.
June 10, 2026
How to Build Your First Strategy in PortfolioLab

A step-by-step walkthrough for building your first rule-based strategy in PortfolioLab — from idea to first backtest, with screenshots.
June 4, 2026
Buy-and-Hold vs. Tactical Investing — When Each Wins

Buy and hold vs tactical investing: an honest comparison of when each wins, the trade-offs, and how a rule-based approach changes the question.
May 29, 2026
What Is a Fear Index? How Market Fear Is Measured

What is a fear index? A plain-language guide to how market fear is measured, how the VIX works, and how it differs from CNN's Fear & Greed Index.
May 28, 2026
Panic Selling: Why Falling Markets Aren't the Real Risk

Panic selling, not falling markets, is what really costs investors. Here's why we sell at the worst moment — and how rules set in advance prevent it.