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Trading by Professional Traders: An Experiment

Author

Listed:
  • Angrisani, Marco
  • Cipriani, Marco
  • De Filippis, Roberta
  • Guarino, Antonio
  • Kendall, Ryan

Abstract

We study the behavior of professional traders in an experiment in which, endowed with private information, they trade an asset over multiple periods. Professional traders do not produce the price bubbles observed with student subjects and aggregate private information better; bubbles also do not arise in mixed markets with traders and students trading together. Professional traders exhibit higher strategic sophistication than students as measured by their Guessing Game choices. We link strategic sophistication to trading in the financial market, and show that traders with higher levels of strategic sophistication earn higher capital gains and trading profits.

Suggested Citation

  • Angrisani, Marco & Cipriani, Marco & De Filippis, Roberta & Guarino, Antonio & Kendall, Ryan, 2025. "Trading by Professional Traders: An Experiment," CEPR Discussion Papers 20456, C.E.P.R. Discussion Papers.
  • Handle: RePEc:cpr:ceprdp:20456
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    File URL: https://cepr.org/publications/DP20456
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    Keywords

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    JEL classification:

    • C93 - Mathematical and Quantitative Methods - - Design of Experiments - - - Field Experiments
    • G11 - Financial Economics - - General Financial Markets - - - Portfolio Choice; Investment Decisions
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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