Price effects after one-day abnormal returns and crises in the stock markets

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Authors

Plastun, Alex
Sibande, Xolani
Gupta, Rangan
Ji, Qiang

Journal Title

Journal ISSN

Volume Title

Publisher

Elsevier

Abstract

We investigate price effects after one-day abnormal returns during crises in US, Japanese, Chinese, Russian and Brazilian stock markets, using the ANOVA, Mann–Whitney, t-tests, the modified cumulative abnormal return approach, regression analysis with dummy variables, and the trading simulation approach. The results suggest that the momentum effect is the most typical case of price behaviour after the days with positive abnormal returns, especially in emerging markets in pre and post crisis periods. Interestingly the momentum effect in developed markets changes into contrarian during crisis periods. However, in emerging markets the momentum effect prevails even in crisis periods. However, the power of the detected effects is weak. These effects do not provide opportunities to beat the market and might result from prevailing positive returns in these stock markets.

Description

DATA AVAILABILITY: Data will be made available on request.

Keywords

Crisis, Stock market, Abnormal returns, Contrarian effect, Momentum effect, SDG-08: Decent work and economic growth

Sustainable Development Goals

SDG-08:Decent work and economic growth

Citation

Plastun, A., Sibande, X., Gupta, R. 2024, 'Price effects after one-day abnormal returns and crises in the stock markets', Research in International Business and Finance, vol. 70, art. 102308, pp. 1-12, doi : 10.1016/j.ribaf.2024.102308.