Invariant

Substack by Devin LaSarre · launched May 9, 2022

Valuation. Business analysis. Investing. Finance meets curiosity, creativity, and skepticism.

Read Invariant →

Top in Finance

#521

Paid leaderboard

#481

Paid subscribers

100+ paid

Badge

Bestseller 100

Paid plan

$18/mo

Growth history

Stats worth sharing

Tracked since Sep 10, 2026 — 62 daily snapshots so far. The card below is built from what we track and refreshes nightly.

Percentile

Top 100%

of 525 ranked finance newsletters

Best rank seen

#486

on Sep 15, 2026

Rank, 7 days

−9 places

Rank, 30 days

+4 places

Reactions per post

22

average, recent posts

Reactions tracked

264

across 12 posts

Most-reacted post we have seen: The Nicotine Window — 33 reactions on Jun 28, 2026.

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Embed code<a href="https://stockmarketwatch.com/finance-newsletters/invariant"><img src="https://stockmarketwatch.com/finance-newsletters/invariant/card" alt="Invariant — rank, subscribers and growth, tracked by Stock Market Watch" width="600" height="315" /></a>

Recent posts

• Escalation: Altria Steps Up to the FDA

  Sep 6, 202616 reactions1 comments3 restacks

• Scandinavian Tobacco Group: Shear

  Aug 30, 2026Paid12 reactions0 comments1 restacks

• Logista: Another Seed

  Aug 23, 2026Paid16 reactions4 comments2 restacks

• Haypp Group: Welcome to the Jungle

  Aug 16, 2026Paid20 reactions2 comments1 restacks

• Altria: Gradient

  Aug 9, 2026Paid18 reactions4 comments1 restacks

• British American Tobacco: Narrowed

  Aug 2, 2026Paid25 reactions2 comments1 restacks

• Philip Morris International: Juggernaut

  Jul 26, 2026Paid27 reactions2 comments1 restacks

• The Black Patch Tobacco Wars

  Jul 19, 202621 reactions0 comments1 restacks

• Flash in the Pan

  Jul 12, 202623 reactions2 comments1 restacks

• Pouches Poised for Prime Position

  Jul 5, 202625 reactions0 comments2 restacks

• The Nicotine Window

  Jun 28, 202633 reactions6 comments2 restacks

• The Only Thing That Matters

  Jun 21, 202628 reactions4 comments8 restacks

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Data: Substack public leaderboards and publication archives, refreshed nightly, plus public beehiiv sitemaps and recommendation pages, refreshed weekly. Source for this page: Invariant. Subscriber counts are Substack’s own rounded public figures, so week-on-week changes move in steps. beehiiv audience sizes are self-reported by the publisher and are not verified. Last snapshot: Nov 10, 2026.