Examining significance of “downside beta” as a measure of risk – evidence from Indian equity market

Sivakumar Menon, Pitabas Mohanty, Uday Damodaran and Divya Aggarwal

International Journal of Emerging Markets, 2023, vol. 20, issue 1, 337-365

Abstract: Purpose - Many studies have shown that from a theoretical and empirical point of view, downside risk-based measures of risk are better than the traditional ones. Despite academic appeal and practical implications, downside risk has not been thoroughly examined in markets outside developed country markets. Using downside beta as a measure of downside risk, this study examines the relationship between downside beta and stock returns in Indian equity market, an emerging market with unique investor, asset and market characteristics. Design/methodology/approach - This is an empirical study done by using ranked portfolio return analysis and regression analysis methodologies. Findings - The study results show that downside risk, as measured by downside beta, is distinctly priced in the Indian equity market. There is a direct positive relationship between downside beta and contemporaneous realized returns, indicating a premium for downside risk. Downside risk carries a higher weightage than upside potential in the aggregate return of the stock portfolios. Downside beta is a better measure of systematic risk than conventional market beta and downside coskewness. Practical implications - The empirical results support the adoption of downside beta in practice and provide a case for replacing traditional beta with downside beta in asset pricing applications, trading and investment strategies, and capital allocation decision-making. Originality/value - This is one of the first in-depth studies examining downside beta in Indian equity markets using a broad sample of individual stock returns covering a wide time range of 22 years. To the best of our knowledge, this study is the first one to compare downside beta and downside coskewness using individual stock data from the Indian equity market.

Keywords: Downside risk; Stock return; Downside beta; Beta; Indian equity market; Downside coskewness (search for similar items in EconPapers)
Date: 2023
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Persistent link: https://EconPapers.repec.org/RePEc:eme:ijoemp:ijoem-01-2021-0026

DOI: 10.1108/IJOEM-01-2021-0026

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