
The Rational Reminder Podcast Greg Zuckerman: Did Jim Simons (Renaissance Technologies) Solve the Market? (EP.97)
May 7, 2020
In this engaging discussion, seasoned journalist Greg Zuckerman delves into the world of investing with a focus on renowned figures like Jim Simons. He explores how covering elite fund managers has shaped his own investment philosophy. Greg sheds light on the success of the Medallion Fund and the unique algorithmic approach that drives it, emphasizing the significance of luck and limiting fund size. He also critiques the idea of relying solely on the advice of hedge funds, urging investors to adopt long-term strategies and question market efficiency.
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Markets Grew More Efficient Over Decades
- Markets have become more efficient over time, making outperformance harder to achieve.
- Greg Zuckerman still sees some persistent inefficiencies but calls them increasingly rare.
Paulson's Greatest Trade And The Aftermath
- John Paulson bought CDS insurance on toxic mortgage products and made roughly $20 billion in 2008.
- After that success he expanded, got too big, changed strategy, and subsequently underperformed.
Repeatable Relationships, Not Market Predictions
- Renaissance found repeatable relationships between assets instead of predicting market direction.
- They hire mathematicians, cap Medallion's size, and use leverage on steady signals for outsized returns.






