Jay’s Letter

Substack by Jay Martin · launched Mar 21, 2021

I am an investor. But I don’t write about managing money, I write about managing my mind - the most important tool in the tool-belt.

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Top in Finance

#242

Subscribers

35K

rounded by Substack

Paid subscribers

100+ paid

Growth history

Stats worth sharing

Tracked since Oct 15, 2026 — 1 daily snapshot so far. The card below is built from what we track and refreshes nightly.

Percentile

Top 47%

of 525 ranked finance newsletters

Best rank seen

#242

on Oct 15, 2026

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The card shows a growth line once there is a second day of snapshots to compare, or once this newsletter has three posts with reaction counts.

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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: Jay’s Letter. 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: Oct 15, 2026.