Best AI Infrastructure Debt Newsletters in 2026

NewsletterFIT tracks 5 newsletters that cover AI infrastructure debt as a primary topic, all with posts in the last 90 days. By publicly shown subscriber count, the largest are The Sunday Signal (2K).

Updated Nov 6, 2026 · sorted by publicly shown subscribers · methodology

  1. 1
    The Sunday Signal2K subscribers

    SubstackWeekly · last post 4 days ago

    A weekly briefing on AI, business and the future of Britain. Clear analysis, real experience, no noise.

    Likely audience: Policy makers

  2. 2
    Finimize Analyst Desk—

    SubstackWeekly · last post 21 days ago

    Empowering modern investors with institutional-grade markets and investment research.

    Likely audience: Portfolio managers

  3. 3
    saturdayhashtag—

    SubstackWeekly · last post 12 days ago

    From recent posts: SaturdayHashtag publishes in-depth articles analyzing the intersection of artificial intelligence with financial risk, political power, military warfare, and global economics. The publication targets readers interested…

    Likely audience: AI ethics researchers

  4. 4
    The Butler—

    LinkedInEvery two weeks · last post 18 days ago

    Investments, Innovation News at your service.

    Likely audience: Credit market analysts

  5. 5
    ICE Fixed Income Monthly—

    LinkedInMonthly or less · last post 17 days ago

    Monthly analysis on the latest developments affecting fixed income markets.

    Likely audience: Fixed Income Analysts

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