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Learning risk preferences from investment portfolios using inverse optimization

Author

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  • Yu, Shi
  • Wang, Haoran
  • Dong, Chaosheng

Abstract

The level of risk an investor can endure, known as risk-preference, is a subjective choice that is tightly related to psychology and behavioral science in decision making. This paper presents a novel approach of measuring risk preference from existing portfolios using inverse optimization on mean–variance portfolio allocation framework. Our approach allows the learner to continuously estimate real-time risk preferences using concurrent observed portfolios and market price data. We demonstrate our methods on robotic investment portfolios and real market data that consists of 20 years of asset pricing and 10 years of mutual fund portfolio holdings. Moreover, the quantified risk preference parameters are validated with two well-known risk measurements currently applied in the field. The proposed methods could lead to practical and fruitful innovations in automated/personalized portfolio management, such as Robo-advising, to augment financial advisors’ decision intelligence in a long-term investment horizon.

Suggested Citation

  • Yu, Shi & Wang, Haoran & Dong, Chaosheng, 2023. "Learning risk preferences from investment portfolios using inverse optimization," Research in International Business and Finance, Elsevier, vol. 64(C).
    • Handle: RePEc:eee:riibaf:v:64:y:2023:i:c:s0275531923000053
    DOI: 10.1016/j.ribaf.2023.101879
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