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Irrational Analysis | Substack Review

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Should I use Irrational Analysis | Substack?

Engineering-Driven Investment Analysis **Opinions are authors own, do not reflect past/present/future employers, are based on publicly available information, and are #NotFinancialAdvice.**. Click to read Irrational Analysis, a Substack publication with tens of thousands of subscribers. - irrationalanalysis.substack.com

· 2 days ago

Serious semiconductor investors buy this for engineering-depth takes on chips, optics, and AI hardware. Beginners and investors wanting licensed advice do not buy it.

Confidence

Medium. Based on 14 public sources. No numeric review ratings or published prices found.

Ratings

  • Value for moneyNo published price found in evidence
  • Ease of useNo evidence on reading experience
  • Feature depth
  • Support qualityNo support evidence available
  • Security posture

Pricing

Not disclosed

ModelNot disclosed
Monthly feesNot disclosed
HardwareNot disclosed

Best for

  • Semiconductor stock investors
  • Engineers tracking AI hardware
  • Optics and HBM thesis watchers
  • Deep-dive newsletter readers

Not for

  • Beginner investors wanting simple stock picks
  • Anyone needing licensed, regulated financial advice
  • Readers who skim; posts run long and technical
  • Investors who avoid paid newsletter subscriptions

Gotchas - check before you buy

medium

Substack confirmed a data breach exposing user emails and phone data in February 2026

medium

Guess: Most deep dives sit behind a paywall; exact price is not published on reviewed pages

low

One Reddit reader spent $13,000/year across 31 Substack newsletters; stacking subscriptions adds up

Pros and cons

Pros

  • Engineering-driven analysis of semiconductors, optics, and AI hardware
  • Publishes first-hand conference recaps: OFC 2026, ISSCC 2026, Hot Chips 2026
  • Tens of thousands of subscribers
  • Widely discussed across investing subreddits like r/intelstock and r/FPGA
  • Independent analyst publishes public portfolio updates

Cons

  • Explicitly not financial advice; no licensed guidance
  • Specific theses draw public rebuttals from other investors
  • Content assumes semiconductor background; hard for beginners
  • Single-author newsletter; opinions rest on one viewpoint

Sources & method

- 14 sources - No product vulnerabilities apply; the Substack platform confirmed a 2026 breach exposing subscriber emails and phone data.

official x5review x6security x2news x1
  • Substack platform data breach, Substack confirmed a breach exposing user emails and phone data in February 2026.

Key stats

  • Feature depth: 4/5

    Rating

  • Not disclosed

    Starting price

  • 14

    Sources

  • Analyzed

  • Value for money. No published price found in evidence
  • Ease of use. No evidence on reading experience
  • Feature depth: 4/5. First-hand conference recaps and deep technical coverage
  • Support quality. No support evidence available
  • Security posture: 3/5. Substack platform breach exposed subscriber data
  • Tens of thousands Subscribers Per Substack publication page
  • 8 Reddit threads Across r/intelstock, r/FPGA, r/wallstreetbets, r/POETTechnologiesInc
  • 700,000 records Platform breach Substack user data exposed, February 2026

Pricing

Not disclosed

Security

No product vulnerabilities apply; the Substack platform confirmed a 2026 breach exposing subscriber emails and phone data.

  • Substack platform data breachSubstack confirmed a breach exposing user emails and phone data in February 2026.11

What users say

Reddit investors frequently share and debate the newsletter's semiconductor theses, and r/FPGA lists it as a recommendation.

Alternatives

Compare Irrational Analysis | Substack with each alternative.

Full analysis

Based on 14 public sources. No numeric review ratings or published prices found.

Engineering-grade semiconductor stock analysis newsletter. Fits serious chip investors. Casual traders and beginners look elsewhere.

Methodology

Based on 14 public sources. No numeric review ratings or published prices found.

Read how a report is made.

Sources

  1. Irrational Analysis | Substackirrationalanalysis.substack.com
    official
  2. OFC 2026 Irrational Recapirrationalanalysis.substack.com
    official
  3. Hot Chips 2026: Irrational Recapirrationalanalysis.substack.com
    official
  4. An Introduction - Irrational Analysisirrationalanalysis.substack.com
    official
  5. Irrational Analysis Review - Investment Newsletterrhinoinvestory.com
    review
  6. Irrational Analysis Newsletter - NewsletterScannewsletterscan.com
    review
  7. Part 2: I now spent $13000/year on Substack newsletters (r/wallstreetbets)reddit.com
    review
  8. Rebuttal to Irrational Analysis POET analysis (r/POETTechnologiesInc)reddit.com
    review
  9. Newsletter Recommendations (r/FPGA)reddit.com
    review
  10. Irrational Analysis on Intel (r/intelstock)reddit.com
    review
  11. Substack Confirms Data Breach Exposing User Email And Phone Datadataconomy.com
    security
  12. Substack Data Breach: Nearly 700000 User Records Stolenreddit.com
    security
  13. Follow the Smart Money: Stock Picks from Top Analysts | Dripdripstack.com
    official
  14. Chris Barber interviews Irrational Analysisx.com
    news

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