Confessions Of A Market Maker Episode #57: Marsten Parker- "Unknown Market Wizard" on Systematic Trading
Feb 15, 2021
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Jim Simons Smoking And QA Visit
- Jim Simons visited Marsten's company during a merger and smoked freely despite a no-smoking policy.
- Simons also flew their head of QA to lecture his programmers on proper software testing methods.
Systematic Evolution And Long-Term Success
- Marsten evolved from semi-discretionary to fully systematic trading over many years.
- From 1998–2012 his systematic approach produced 27% annual returns with no losing years.
Why Discretion Beats System On Single Trades
- Discretionary traders can time low-risk entries by reading market behavior and order flow.
- Systematic traders prioritize average edge and accept sloppier per-trade timing for scalability.