How well the log periodic power law works in an emerging stock market?

Bikramaditya Ghosh, Dimitris Kenourgios, Antony Francis and Suman Bhattacharyya

Applied Economics Letters, 2021, vol. 28, issue 14, 1174-1180

Abstract: A growing body of research work on Log Periodic Power Law (LPPL) tries to predict market bubbles and crashes. Mostly, the fitment parameters remain confined within certain specific ranges. This paper examines these claims and the robustness of the reformulated LPPL model of Filimonov & Sornette (2013) for capturing large falls in the S&P BSE Sensex, an Indian heavyweight index over the period 2000–2019. Thirty-five mid to large-sized crashes are identified during this period, forming a clear LPPL signature. This confirms the possibility to predict the embedded risk of future uncertain events in the Indian stock market with the LPPL approach.

Date: 2021
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DOI: 10.1080/13504851.2020.1803484

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