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Intraday return inefficiency and long memory in the volatilities of forex markets and the role of trading volume

Author

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  • Syed Jawad Hussain Shahzad
  • Jose Areola Hernandez

    (ESC Rennes School of Business - ESC Rennes School of Business)

  • Waqas Hanif
  • Ghulam Mujtaba Kayani

Abstract

We investigate the dynamics of efficiency and long memory, and the impact of trading volume on the efficiency of returns and volatilities of four major traded currencies, namely, the EUR, GBP, CHF and JPY. We do so by implementing full sample and rolling window multifractal detrended fluctuation analysis (MF-DFA) and a quantile-on-quantile (QQ) approach. This paper sheds new light by employing high frequency (5-min interval) data spanning from Jan 1, 2007 to Dec 31, 2016. Realized volatilities are estimated using Andersen et al.’s (2001) measure, while the QQ method employed is drawn from Sim and Zhou (2015). We find evidence of higher efficiency levels in the JPY and CHF currency markets. The impact of trading volume on efficiency is only significant for the JPY and CHF currencies. The GBP currency appears to be the least efficient, followed by the EUR. Implications of the results are discussed.
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Suggested Citation

  • Syed Jawad Hussain Shahzad & Jose Areola Hernandez & Waqas Hanif & Ghulam Mujtaba Kayani, 2018. "Intraday return inefficiency and long memory in the volatilities of forex markets and the role of trading volume," Post-Print hal-01813245, HAL.
  • Handle: RePEc:hal:journl:hal-01813245
    DOI: 10.1016/j.physa.2018.04.016
    Note: View the original document on HAL open archive server: https://hal-rennes-sb.archives-ouvertes.fr/hal-01813245
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    Cited by:

    1. Xu, Yanyan & Huang, Dengshi & Ma, Feng & Qiao, Gaoxiu, 2019. "The heterogeneous impact of liquidity on volatility in Chinese stock index futures market," Physica A: Statistical Mechanics and its Applications, Elsevier, vol. 517(C), pages 73-85.

    More about this item

    JEL classification:

    • G01 - Financial Economics - - General - - - Financial Crises
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading

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