Compound Ideas
Ken MajmudarEnduring wealth through better judgment, superior businesses, and disciplined capital allocation.
| Platform |  | Pricing | Only free issues | Publishes | Weekly |
|---|---|---|---|---|---|
| Issues | 15 | Founded | 5 years ago | Last Issue | 7 days ago |
| Active | |||||
Read this Newsletter
compoundideas.substack.comLatest Issues
Right About the Future. Wrong About the Risk
A few days ago, I posted something on my X account that had been bothering me:
Prediction markets, meme stocks, day trading, YOLO culture. A whole generation is learning to gamble and calling it investing.
I’ve managed money for 300+ fami...
Not Every Stock Market Winner Wins Forever
In my last piece, The 46 Stocks Everyone Wishes They Owned, I wrote about Professor Hendrik Bessembinder’s research showing how concentrated long-term stock market wealth creation has been.
A small number of companies have seemingly create...
The 46 Stocks Everyone Wishes They Owned
A few days ago, someone shared a chart in one of my investor groups.
It was based on the work of Professor Hendrik Bessembinder, whose research has become one of the more useful reality checks in modern investing.
The finding is simple....
THE WORLD’S FIRST TRILLIONAIRE
On June 12, 2026, it happened.
SpaceX began trading. The stock did not merely stay above its IPO price. It rallied to close much higher over the next few days until SpaceX was valued at $2.5 trillion.
And with that, Elon Musk crossed a li...
The World’s First Trillionaire
Part I of a three-part series on the first trillionaire, the future of wealth, and the human consequences of the coming abundance explosion.
On June 12, 2026, SpaceX is set to do something no company had ever done before: turn its f...
Audience Metrics
Subscribers, engagement, traffic and sponsorship for Compound Ideas.
| Subscribers | Engagement | 69 | Monthly Web Visits | ||
|---|---|---|---|---|---|
| Accepts Sponsors | Estimated Cost per Ad | ||||
Explore More
Authors
The writers behind this newsletter.
Everything compounds. Founder & CIO of Ridgewood Investments. Thoughts on enduring wealth, superior businesses, exceptional managers, capital allocation and worldly wisdom. Learn more at KenMajmudar.com and MyCapitalAlliance.com
Social
Frequently Asked Questions
How can I access the email archive for Compound Ideas?
You can find recent issues that have been published by Compound Ideas on Reletter by scrolling up to where it says Latest Issues. Tap on the link for any of the most recent emails or hit More Issues to see older ones.
How many subscribers does Compound Ideas have?
To see how many people subscribe to Compound Ideas, simply upgrade your Reletter account. We provide readership numbers and lots of other stats for this newsletter so you can decide if it's worth reaching out to.
How can I advertise in Compound Ideas?
Newsletter advertising can be extremely effective when it's done right. Before you pitch Compound Ideas as a potential sponsor or partner, make sure that you've done your research and checked its newsletter stats with Reletter.
Then, personalize one of our winning pitching templates and send it to the right person using the contact info provided.
How much does it cost to sponsor a publication like Compound Ideas?
Newsletter ad rates (or CPM) vary depending on many factors, including industry, number of subscribers, open rate, ad placement and more.
To find out how much an ad will cost, contact Compound Ideas using the contact information provided and ask for a copy of their media kit.
How can I find newsletters related to Compound Ideas?
Scroll up to where it says Related Newsletters to see other publications like Compound Ideas. You can also search our email newsletter directory to discover other newsletters that cover the topics you're interested in.
How do I contact Compound Ideas?
Reletter provides this newsletter's website URL above, where you will often find their contact information. We also provide links to associated social media accounts and pitching templates so you can reach out fast.