Wall Street Wildlife Investing Podcast

E103: The #1 Mistake That DESTROYS Your Portfolio (And How to Fix It)

Oct 26, 2025
Market volatility can trigger panic selling, but mastering emotional discipline is key to preserving your portfolio. Discover how to identify your true investor identity—long-term or short-term—and use position sizing to manage risks effectively. A live analysis of Novo Nordisk reveals the importance of valuation metrics, while insights from poker and jiu-jitsu teach resilience. Learn to trim positions instead of panic selling, utilize meditation for calm decision-making, and embrace a balanced approach to both exciting and stable investments.
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ANECDOTE

WhatsApp: Friend Panic-Sells IREN

  • Luke shared a WhatsApp story where his friend "Sarah" panic-sold a large IREN position after a quick drop.
  • She thought she was comfortable but admitted she panicked and sold everything.
INSIGHT

Behavior Beats Spreadsheets

  • Psychology and self-control are the core disciplines of successful investing.
  • Technical analysis and spreadsheets can't fix decisions driven by emotion.
ANECDOTE

Poker Taught Emotional Resilience

  • Luke credits decades of poker for teaching emotional control and focusing on decision quality over outcomes.
  • He warns this skill required long practice and may not suit everyone's path.
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