# The Psychology of Money

> Harriman House reported over 10 million copies sold of Morgan Housel’s finance book.

- Owner: Morgan Housel (author); Harriman House (publisher)
- Kind: Book
- Sector: Media & publishing
- Seed date: 2020-09-08
- Milestone date: 2026-05-14
- Date basis: Documented milestone; not a measured attention peak.
- Spread Score: 13 (Niche, provisional), v1.2
- Mechanics: Creator relay, Platform jump

## Summary

Housel expanded a Collaborative Fund essay into a book. Independent reviewers and podcast hosts discussed it, and sales persisted across markets. Harriman House reported 10 million copies in May 2026; its current page claims over that total.

## Timeline

- 2018-06-01 — Morgan Housel (Open web) — Housel published the essay The Psychology of Money on Collaborative Fund’s blog.
- 2020-09-08 — Morgan Housel / Harriman House (Retail) — Harriman House released the book; Housel told blog readers it was now out.
- 2020-09-08 — Stay Wealthy Retirement Show (Audio) — Stay Wealthy interviewed Housel about investing and the psychology of money.

The full timeline, metrics and sources are on the case page, or via the Pro API (https://howitspread.com/developers).

Canonical URL: https://howitspread.com/cases/the-psychology-of-money

Cite as: How It Spread (2026). “The Psychology of Money.” Case HIS-01334. Spread Score v1.2: 13/100. Updated 2026-10-22. https://howitspread.com/id/HIS-01334