Learn to read
the business.

A complete course, free guides, and 65 market terms explained in plain English. Start anywhere.

The course · members

Fundamental research, from the ground up

Go from your first company filing to a finished research memo. Every chapter has animated explainers, a worked example, and an assignment on a real company.

  • 40 chapters
  • 12 modules
  • 12+ hours
  1. 01Foundations3 chapters
  2. 02Finding the evidence3 chapters
  3. 03The income statement3 chapters
  4. 04Balance sheet and cash3 chapters
  5. 05Quality and obligations3 chapters
  6. 06Business economics4 chapters
  7. 07Moats and management2 chapters
  8. 08Capital allocation and shares4 chapters
  9. 09Valuation basics4 chapters
  10. 10Valuation models4 chapters
  11. 11Following the business4 chapters
  12. 12Decisions and the memo3 chapters

Watch an idea click.

Every chapter explains its key ideas with scenes like this one, from chapter 1.

Watch it work

Same business, different price, different bet

Earnings per share$1.20
×
Price / earnings10×
=
Share price$12
1/3Harbor earns $1.20 per share. At $12, you pay 10 times earnings.

Free to read today.

No account needed.

The glossary.

65 terms, each explained in plain English with an example.

The term is free. The call is membership.

The glossary is the vocabulary. Members get the monthly thesis that uses it: what changed, who could benefit, and what would prove the view wrong. $39/month or $249/year.

$39/mo or $249/yr · cancel future renewals anytime · sources included