Insightful Investor

#108 - David Wright: Quant Investing & AI Explained

Feb 3, 2026
David Wright, Head of Quantitative Investments at Pictet Asset Management, is a seasoned quant who leads AI‑driven, factor‑based strategies. He discusses the evolution of quant investing and how machine learning blends with traditional factors. Conversations cover model construction, signal conditioning, human roles versus ML, horizons where AI helps most, and guarding against data‑mining and signal decay.
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INSIGHT

Repeat Short Edges To Build Alpha

  • Repeating short-horizon forecasting regularly can compound into consistent medium-term alpha.
  • Discipline in construction, risk controls and cost forecasting turns monthly edges into quarterly and annual gains.
INSIGHT

Focus On Changing Fundamentals

  • Short-term forecasts emphasize changes in fundamentals and supply-demand/behavioral dynamics rather than static fundamentals.
  • Interactions between behavioral and fundamental signals matter more than isolated signals.
INSIGHT

Small Edges Scale Through Diversification

  • Small per-stock edges aggregated across many diversified positions can deliver consistent portfolio outperformance.
  • Success rates only need to be modestly above 50% when scaled across many names and repeated periods.
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