The following extract is a Top Traders Unplugged summary of a conversation between the podcast hosts Niels and Alan with Simon Judes, C0-CIO at Winton.
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Winton is one of the most research-intensive systematic investment firms in the world. Founded by David Harding in 1997, the firm built its reputation on applying rigorous statistical analysis to the question of whether markets exhibit persistent, exploitable patterns. Simon Judes serves as Co-CIO, overseeing the investment process at a firm that has consistently prioritised scientific integrity over marketing narratives.
Winton’s intellectual lineage runs through some of the most important ideas in quantitative finance. The firm’s willingness to question its own assumptions, including its evolving stance on the relative weight of trend versus non-trend signals in its flagship programme, reflects a research culture that treats evidence as the final arbiter of all questions.
In this conversation with Niels and Alan, Judes discusses Winton’s systematic investment process, how the firm approaches the tension between model complexity and robustness, and what the research evidence says about the durability of trend as an investment factor. He also addresses the challenge of managing investor expectations through periods when a data-driven approach produces uncomfortable short-term results.
Winton’s track record and research output have made it a reference point for the entire systematic investment industry. For anyone building or evaluating a trend following programme, the questions Judes addresses in this episode about model design, research discipline, and investor communication are among the most important in the field.
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