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Brian Portnoy: Amazon KDP author data
As of Nov 6, 2026, Brian Portnoy has 10 books on Amazon, 10 of them on a best-seller list in the last 30 days (best rank #8), mostly in Stocks, Portfolio Management, Finance.
| Median price | $14.97 |
|---|---|
| Price range (middle 50%) | $13.46 – $18.57 |
| Median reviews | 220 |
| Total reviews | 4,118 |
| New books (30 days) | 3 |
| Breakout books (30 days) | 2 |
What stands out
- 100% of the catalog made a best-seller list in the last 30 days: the whole backlist sells, not one hit.
- 3 new books in the last 30 days, 2 of them broke into a Best Sellers list.
Brian Portnoy's best-ranked books
-
How I Invest My Money: Finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$19.99
- Rating4.4
- Reviews1,076
-
How I Invest My Money Volume Two: More finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$12.99
- Rating5.0
- Reviews4
- Published2026-10
-
How I Invest My Money: Finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$11.99
- Rating4.4
- Reviews1,075
-
How I Invest My Money Volume Two: More finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$17.32
- Rating5.0
- Reviews4
- Published2026-10
-
The Investor's Paradox: The Power of Simplicity in a World of Overwhelming Choice
by Brian Portnoy
- Price$2.99
- Rating4.2
- Reviews69
- Published2014-01
-
How I Invest My Money: Finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$14.99
- Rating4.4
- Reviews1,075
-
The Geometry of Wealth: How to shape a life of money and meaning
by Brian Portnoy
- Price$18.98
- Rating4.4
- Reviews371
-
The Investor's Paradox: The Power of Simplicity in a World of Overwhelming Choice
by Brian Portnoy
- Price$20.28
- Rating4.2
- Reviews69
-
The Geometry of Wealth: How to shape a life of money and meaning
by Brian Portnoy
- Price$14.95
- Rating4.4
- Reviews371
-
How I Invest My Money Volume Two: More finance experts reveal how they save, spend, and invest
by Brian Portnoy
- Price$14.89
- Rating5.0
- Reviews4
Main categories
FAQ
How many books does Brian Portnoy have on Amazon?
KDPTop tracks 10 of their books; 10 made an Amazon list in the last 30 days.
Which categories does Brian Portnoy publish in?
Their books chart most often in Stocks, Portfolio Management, Finance.
How does Brian Portnoy price their books?
The median price is $14.97; half of the books cost $13.46–$18.57.
Has Brian Portnoy released new books recently?
3 new books in the last 30 days, 2 of which reached a Best Sellers list.
About this data
Data comes from KDPTop's daily crawl of Amazon's public Best Sellers pages; medians use the latest list. The opportunity score (0–100, higher is easier to enter) combines the review barrier, the share of low-review books, list turnover, new-release share and price.