$ why did I buy this?

Your portfolio remembers what you bought.
Nothing remembers why.

Stock Journal is a writing tool for investors. Record the thesis, score your conviction, and get pulled back months later to find out whether you were right — or just lucky.

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NVDA · semis3 entries · opened 2025-03-14
  1. 2025-03-14thesisMargins inflect once the new fabs come online. Buying the doubt.
  2. 2025-07-02updateGuidance cut. Thesis intact but the timeline slipped two quarters.
  3. 2026-01-20reviewIt played out. I was early, not wrong — and I nearly sold at the bottom.

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