The Wall Street Coach with Kim Ann Curtin

EP 109: Why 99% of Profitable Traders Use a Journal with Edgewonk

Oct 10, 2025
Rolf Schlotmann and Moritz Czubatinski, co-founders of Edgewonk, share their insights on the pivotal role of trading journals in achieving consistency in trading. They explore common missteps traders make, the importance of disciplined journaling, and how tracking mental states can illuminate performance issues. With backgrounds in trading and poker, they reveal how to distill complex data into actionable strategies. The conversation also touches on the future of AI in trading and emphasizes the necessity of self-awareness for traders seeking improvement.
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ANECDOTE

Humble Excel Became Edgewonk

  • Moritz and Rolf built a powerful Excel trading journal and unexpectedly sold it after traders demanded it.
  • Their simple experiment evolved into Edgewonk because traders desperately needed structured journaling tools.
INSIGHT

Journals Must Deliver Actionable Value

  • Many traders avoid journaling because past journals offered little actionable value and felt like diaries.
  • Edgewonk focused on delivering clear, actionable outputs to overcome that barrier.
INSIGHT

Profitable Traders Almost Always Journal

  • Across thousands of users, nearly all consistently profitable traders kept a journal.
  • Not having a journal is like trading blind, and profit is the rare outlier without one.
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