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Market efficiency in foreign exchange market

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  • Lee, Namhoon
  • Choi, Wonseok
  • Pae, Yuntaek

Abstract

The study examines foreign exchange market overreaction for various combinations of formation and testing periods over 30 years. First, we find that reversal is significant for longer test periods and longer formation periods. Second, we find no evidence of persistent momentum or reversal during the entire sample period. Thus, the results of overreaction studies should be sensitive to the sample period. Third, we observe losers outperform most of the formation and test periods combinations except for the short-term when spot rates are used to construct portfolios. We observe the evidence of overreaction becomes stronger with the longer formation and test period.

Suggested Citation

  • Lee, Namhoon & Choi, Wonseok & Pae, Yuntaek, 2021. "Market efficiency in foreign exchange market," Economics Letters, Elsevier, vol. 205(C).
    • Handle: RePEc:eee:ecolet:v:205:y:2021:i:c:s0165176521002081
    DOI: 10.1016/j.econlet.2021.109931
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    References listed on IDEAS

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    Cited by:

    1. Julio E. Sandubete & León Beleña & Juan Carlos García-Villalobos, 2023. "Testing the Efficient Market Hypothesis and the Model-Data Paradox of Chaos on Top Currencies from the Foreign Exchange Market (FOREX)," Mathematics, MDPI, vol. 11(2), pages 1-29, January.
    2. Zhou, Xinxing & Gao, Yan & Wang, Ping & Zhu, Bangzhu, 2022. "Examining the overconfidence and overreaction in China’s carbon markets," Economic Analysis and Policy, Elsevier, vol. 75(C), pages 472-489.

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    More about this item

    Keywords

    Overreaction; Reversal; Momentum; Foreign exchange rate; Efficient market hypothesis;
    All these keywords.

    JEL classification:

    • F31 - International Economics - - International Finance - - - Foreign Exchange
    • G14 - Financial Economics - - General Financial Markets - - - Information and Market Efficiency; Event Studies; Insider Trading
    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets

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