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10-K Diver

75 Followers
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I teach finance and investing concepts via Twitter threads.

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10-K Diver @10kdiver · Feb 5, 2022
  • From Twitter

Such a wonderful summary. Thanks, Dinesh!

Tweet Feb 5, 2022
1/ There are a ton of books about Financial & Fundamental Analysis, Scuttlebutt and Technical Analysis. But there aren't many books 'taking risk'. Among the few that exist, 'Zurich Axioms', written in 1985, is the best. Here are my key takeaways
by Dinesh Sairam
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10-K Diver @10kdiver · Feb 27, 2022
  • From Twitter

The best work I’ve read on how inflation affects businesses and stocks is Warren Buffett’s 1977 Fortune magazine article: How Inflation Swindles The Equity Investor. You can get it for free here:

Paper May, 1977
How The Inflation Swindles The Equity Investor
by Warren Buffett
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10-K Diver @10kdiver · Feb 5, 2022
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Thanks for sharing, Christopher! One of my first checks to see if a probability text is good for beginners to learn from: it should NOT start with a rigorous definition of “sample space”. If it does, it’s more likely to be for “reference” than “learning”. This passes that test!

Website
Section 1: Introduction to Probability | STAT 414
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10-K Diver @10kdiver · Mar 20, 2022
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16/ To learn more about starting/running a newsletter, I recommend listening to this ~50 min @InfiniteL88ps episode featuring Linda Lebrun (@SubstackLinda).

Podcast episode Aug 5, 2021
Linda Lebrun — The Substack Economy (EP.59)
by Jim OShaughnessy and Jamie Catherwood
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10-K Diver @10kdiver · Feb 18, 2022
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Superb thread. Thanks for putting it together! As Warren Buffett said:

Podcast episode Jan 26, 2022
Stewart Brand on Starting Things and Staying Curious
by Tyler Cowen and Stewart Brand
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10-K Diver @10kdiver · Mar 21, 2022
  • From Twitter

Very nice thread. Thanks for taking the time to explain these terms precisely — and for illustrating the core concepts by putting numbers to them.

Tweet Mar 21, 2022
What is private mortgage insurance (PMI), why do you pay it, and why does it make sense to sometimes pay it? Quick thread:
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10-K Diver @10kdiver · Mar 19, 2022
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This is one of the most thoughtful write-ups I’ve seen on the Gambler’s Fallacy: [link] A MUST read to understand the psychology of probability, how to correctly apply conditional probability and the law of large numbers, etc. (h/t @stevenstrogatz)

The Mathematical Anatomy of the Gambler’s Fallacy
by Steven Tijms
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10-K Diver @10kdiver · Mar 29, 2022
  • From Twitter

1/ The Founders, written by my friend Jimmy Soni (@jimmyasoni), is one of the best business biographies I've read. It's the story of PayPal and the early days of the Internet -- featuring @elonmusk, @peterthiel, @DavidSacks, @mlevchin, etc. Here are 7 nuggets from the book: 👇

Book Feb 24, 2022
The Founders: Elon Musk, Peter Thiel and the Company that Made the Modern Internet
by Jimmy Soni
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10-K Diver @10kdiver · Apr 5, 2022
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This is a terrific book. Simple, clear, and concise. Brian starts at the very basics — ie, what is a stock? From there, he gradually builds up several key concepts essential for investors of all stripes. A great gift for new investors, and even middle/high school kids.

Book
Why Does The Stock Market Go Up?: Everything You Should Have Been Taught About Investing In School, But Weren't
by Brian Feroldi
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10-K Diver @10kdiver · Apr 6, 2022
  • From Twitter

You’re too kind, Brian. 🙏🙏 Thanks for putting together such a wonderful book! I’m planning to order copies to give to several people I know who just started investing.

Book
Why Does The Stock Market Go Up?: Everything You Should Have Been Taught About Investing In School, But Weren't
by Brian Feroldi
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10-K Diver @10kdiver · Apr 8, 2022
  • From Twitter

If you want to learn more, I suggest reading about Jensen’s Inequality and the Kelly Criterion. Both can illustrate why the two maximizations lead to different optimal solutions. Jensen: [link] Kelly:

Article
Jensen's Inequality
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10-K Diver @10kdiver · Jan 25, 2022
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This is a superb thread — about an under-discussed investing topic. A key principle in investing: we should NOT turn *short term* volatility into *long term* risk (eg, via margin loans). And failing to properly account/budget for taxes is exactly one such mistake. 👇👇👇

Tweet Jan 24, 2022
1) 🚨WHAT'S GOING TO HAPPEN WHEN NO ONE CAN PAY THEIR CAPITAL GAINS TAXES 🚨 As tax season quickly approaches, countless "traders" are going to have their first run in with the tax man. The problem: many of them reinvested everything and are down bad
by Jack Raines
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