We Study Billionaires - The Investor’s Podcast Network

TIP794: Keynes And The Markets w/ Kyle Grieve

37 snips
Feb 27, 2026
A deep dive into John Maynard Keynes as an investor and how his thinking evolved from risky macro bets to business-focused compounding. Talks about temperament, concentration, and position sizing as practical tools. Explores markets as social systems and the role of adaptability and belief updating in successful investing.
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ADVICE

Always Analyze The Business Over The Ticker

  • Focus on understanding a business, not its ticker; ask how it makes money and why you'd own it if the market closed for five years.
  • Use primary sources and disagree with analysts to force independent conclusions.
ANECDOTE

Aritzia Tariff Drop Turned Into A 200% Recovery

  • During April 2025 tariff fears Aritzia dropped ~43%, but Kyle held because suppliers could shift and the company could reduce China reliance to single digits.
  • The position rose ~200% by Feb 2, 2026, validating patience.
INSIGHT

Temperament Trumps IQ In Investing

  • Temperament outranks raw intelligence: Keynes learned patience and reduced overactivity after painful losses.
  • He turned emotional mistakes into an edge by slowing down and avoiding impulse forecasting.
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