Jay’s Letter
Substacknewsletter · by Jay’s Letter · English
- Audience
- 31K subscribers
- Shown publicly on Substack
- Publishing
- Monthly or less
- 3 posts indexed in the last 90 days
- Last post
- Oct 13, 2026
- 16 days ago
- Likely audience
- Economic analysts
- Inferred from post content
Jay’s Letter is a Substack newsletter by Jay’s Letter covering AI safety, AI IPO and Business moats. NewsletterFIT indexed 3 posts from it in the last 90 days, most recently on Oct 13, 2026. Shown publicly on Substack: 31K subscribers.
Topics
- AI safety
- AI IPO
- Business moats
- AI infrastructure
- Market valuation
Recent posts
- The Real…
- Iran is…
- China Doesn't…
- The Empty…
- When Countries…
Sponsors detected
No sponsored posts detected in the last 180 days of indexed posts.
Detected automatically from posts marked as sponsored. Detection can miss or misread placements.
See the full picture on Jay’s Letter
Subscriber momentum over time, every detected sponsor with the source post, companies and people it mentions, guests, and an alert when any of it changes.
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Compiled from public pages · refreshed Oct 18, 2026 · How NewsletterFIT collects and labels data
