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Is Being “Robust” Beneficial? A Perspective from the Indian Market

Mohammed Bilal Girach (), Shashank Oberoi () and Siddhartha P. Chakrabarty ()
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Mohammed Bilal Girach: Indian Institute of Technology Guwahati
Shashank Oberoi: Indian Institute of Technology Guwahati
Siddhartha P. Chakrabarty: Indian Institute of Technology Guwahati

Asia-Pacific Financial Markets, 2021, vol. 28, issue 4, No 1, 469-497

Abstract: Abstract Motivated by the progress made towards incorporating robust optimization in the framework of risk minimization, this work focuses on assessing the practical usefulness of the robust optimization approaches for the minimization of downside risk measures, such as Value-at-Risk (VaR) and Conditional Value-at-Risk (CVaR). Accordingly, we perform empirical analysis of the performance of VaR and CVaR models with respect to their robust counterparts, namely, Worst-Case VaR and Worst-Case CVaR, using both simulated data and market data involving the Indian indices of S&P BSE 30 and S&P BSE 100. Additionally, we provide relevant insights regarding the viability of these robust models over their classical formulations from the perspective of an investment practitioner. We conclude by noting the superior performance of Worst-Case VaR and Worst-Case CVaR with respect to their classical versions in the cases involving higher number of stocks and simulated setup respectively.

Keywords: Robust portfolio optimization; VaR; CVaR; S&P BSE 30; S&P BSE 100 (search for similar items in EconPapers)
Date: 2021
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DOI: 10.1007/s10690-021-09331-x

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