Yield Theory

People investing their own money who want to understand the businesses behind their investments. We bring together research, lessons, and tools to help you develop a point of view of your own.

No. Start with the basics, work through the examples, and build your understanding one idea at a time. Bring your curiosity; you don’t need to arrive knowing the terminology.

Yes. Browse the free research, stock pages, calculators, and learning guides. Member-only reports and the full fundamental research course require a membership.

We tell you what we think. Every report names the companies we'd watch, how we'd value them, and what could go wrong. Then you make the call, with the evidence in front of you.

Every member issue, the full member archive, new research throughout the month, models, valuations, and company comparisons. You also get the 40-chapter fundamental research course: 12+ hours of lessons with animated explainers, worked examples and hands-on assignments.

Both plans include the same membership. Pay $39 per month or $249 per year. Annual billing saves $219 compared with twelve monthly payments.

Yes. Cancel future renewals from your account whenever you like. Your access continues until the end of the period you’ve paid for.

Investment ideas, business analysis, valuations, and risks, brought together in one place. Follow the reasoning, examine the assumptions, and return to the original sources. New research also arrives throughout the month.

The foundations of investment research: understanding a business, reading financial statements, thinking about valuation, and weighing risks. Focused lessons, worked examples, and interactive explainers help you put the ideas into practice.

Yes. Each story links to its original reporting or first-person account. These are independent profiles, not customer testimonials, and their results aren’t a promise of what you’ll earn.