About Net Interest

Net Interest is a weekly newsletter of insight and analysis from the world of finance. Enjoyed by the most senior executives and smartest investors in the industry, it casts light on this important sector in an easy-to-read style.

Written by a former analyst and hedge fund manager, Net Interest distils 25 years of experience in the financial sector into a weekly email. Each post explores a theme currently trending in the sector. Between fintech, economics and investment cycles—there's always something to talk about!

By subscribing you will receive a fresh newsletter straight to your inbox every Friday.

The themes explored in the newsletter are timeless so there's always something of value in the archive — which all subscribers have access to.

And best of all — right now, it's free.

About the Author

Net Interest is written by me, Marc Rubinstein. I spent ten years as a partner of an award-winning hedge fund. Before that I was a top-rated analyst at an investment bank. When I’m not writing Net Interest, I consult with corporates and investment firms and I’m also an active angel investor in fintech. You can find out more about me here, or on LinkedIn or Twitter.

What People Are Saying

Net Interest has been featured in Forbes as one of “7 New Fintech Newsletters You Should Be Reading”. It’s been quoted in The Times, The Financial Times and on Marker.

In addition, this is what readers have had to say:

You did a very good job and I was impressed with your effort. It was fun for me to read…
Chairman and CEO, major global bank

“It is always an interesting read.”
CFO, leading Indian private sector bank

Thank you for your posts! I really enjoy them, and find them insightful.
Deputy CEO, global insurance company

I love it!
Former member of the management board, Deutsche Bank

Definitely worth a read.
Former Group Head of Strategy, FTSE 100 financial services company

A fantastic note … one of the best emails I’ve read for some time.
Director, Hong Kong based investment firm

Lovely newsletter. It’s clarity of content is rare indeed.
Head of equity sales, brokerage firm

Great stuff.
Senior hedge fund manager

There is always something one can learn from you.
Social entrepreneur

Twitter avatar for @packyMPacky McCormick @packyM
It’s crazy that we get insider’s knowledge for free these days. Marc is one of the smartest people on the financial sector, from banks to fintech, and fun to read. Subscribe to Marc’s Net Interest:
netinterest.substack.com

Marc Rubinstein @MarcRuby

When I launched Net Interest back in May, @packyM was incredibly generous with his advice. An absolute pleasure to be able to collaborate with him on this 👇https://t.co/QEJv7imNr2