Framework 5 of 15
Long-Term Investment Thesis
3-5 year conviction with built-in invalidators
Written by Jim Norris · Updated July 2026
The Long-Term Investment Thesis framework builds a structured multi-year case for or against a stock — including the specific conditions that would invalidate the thesis.
What this framework does
A 3-5 year forward-looking analysis identifying key secular trends, building a conviction framework, and explicitly defining thesis invalidators.
Who it is for
Long-term and buy-and-hold investors who want a structured framework for conviction.
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All 15 AlphaLens frameworks
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