VI STACK

The Research Engine

The Five Gates

Five filters. One honest decision. No idea reaches your capital until it has earned the right.

By James Ward · Founder, VI Stack

Free guide

The Five Gates

A sequential research framework for serious value investors. Five filters. One honest decision. No idea reaches your capital until it has earned the right. The method, distilled. No fluff, no login.

  • The five gates, in sequence, and why the order matters
  • The eight characteristics that separate an excellent business from a comprehensible one
  • How Gate 3 verifies the story: ten years of numbers, the moat test, and a risk inventory
  • The seven-slide Pitch and the eight-lens Advisory Board that ends in GO or NO GO
  • A full worked example: Visa, run through all five gates from screen to verdict

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Educational content only. Not investment advice. Do your own research.