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Impact of Brexit vote on the London stock exchange: A sectorial analysis of its volatility and efficiency

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  • Arshad, Shaista
  • Rizvi, Syed Aun R.
  • Haroon, Omair

Abstract

The introduction and continual ambiguity surrounding Brexit vote has brought attention to the volatility of the London Stock Exchange (LSE). Using wavelets to decompose financial time series into short-term and long-term components, we study the volatility and efficiency of the different sectors in LSE around Brexit vote events. The results reveal that while the overall volatility reduced, various sectors within LSE behaved differently. Furthermore, the efficiency of the British stock market worsened drastically during the uncertainty of the Brexit vote.

Suggested Citation

  • Arshad, Shaista & Rizvi, Syed Aun R. & Haroon, Omair, 2020. "Impact of Brexit vote on the London stock exchange: A sectorial analysis of its volatility and efficiency," Finance Research Letters, Elsevier, vol. 34(C).
    • Handle: RePEc:eee:finlet:v:34:y:2020:i:c:s1544612319301837
    DOI: 10.1016/j.frl.2019.07.013
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    Cited by:

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    2. Guidolin, Massimo & Pedio, Manuela, 2021. "Media Attention vs. Sentiment as Drivers of Conditional Volatility Predictions: An Application to Brexit," Finance Research Letters, Elsevier, vol. 42(C).
    3. Abuzayed, Bana & Al-Fayoumi, Nedal & Bouri, Elie, 2022. "Hedging UK stock portfolios with gold and oil: The impact of Brexit," Resources Policy, Elsevier, vol. 75(C).
    4. Kuzu, Erkan & Süsay, Aynur & Tanrıöven, Cihan, 2022. "A model study for calculation of the temperatures of major stock markets in the world with the quantum simulation and determination of the crisis periods," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 585(C).
    5. Deniz Erer & Elif Erer & Selim Güngör, 2023. "The aggregate and sectoral time-varying market efficiency during crisis periods in Turkey: a comparative analysis with COVID-19 outbreak and the global financial crisis," Financial Innovation, Springer;Southwestern University of Finance and Economics, vol. 9(1), pages 1-25, December.

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    More about this item

    Keywords

    Brexit; Volatility; Sectoral; Equity market; Efficiency; Multifractal;
    All these keywords.

    JEL classification:

    • G10 - Financial Economics - - General Financial Markets - - - General (includes Measurement and Data)
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • C58 - Mathematical and Quantitative Methods - - Econometric Modeling - - - Financial Econometrics

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