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Explaining Forward Exchange Bias . . . Intraday


  • Lyons, Richard K
  • Rose, Andrew K


Intraday interest rates are zero. Consequently, a foreign exchange dealer can short a vulnerable currency in the morning, close this position in the afternoon, and never face an interest cost. This tactic might seem especially attractive in times of fixed-rate crisis, since it suggests an immunity to the central bank's interest rate defense. In equilibrium, however, buyers of the vulnerable currency must be compensated on average with an intraday capital gain as long as no devaluation occurs. That is, currencies under attack should typically appreciate intraday. Using data on intraday exchange rate changes within the European Monetary System, we find this prediction is borne out. Copyright 1995 by American Finance Association.

Suggested Citation

  • Lyons, Richard K & Rose, Andrew K, 1995. " Explaining Forward Exchange Bias . . . Intraday," Journal of Finance, American Finance Association, vol. 50(4), pages 1321-1329, September.
  • Handle: RePEc:bla:jfinan:v:50:y:1995:i:4:p:1321-29

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    References listed on IDEAS

    1. Lyons, Richard K., 1995. "Tests of microstructural hypotheses in the foreign exchange market," Journal of Financial Economics, Elsevier, vol. 39(2-3), pages 321-351.
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    Cited by:

    1. Pasricha, Gurnain Kaur, 2006. "Survey of Literature on Covered and Uncovered Interest Parities," MPRA Paper 22737, University Library of Munich, Germany.
    2. Chaboud, Alain P. & Wright, Jonathan H., 2005. "Uncovered interest parity: it works, but not for long," Journal of International Economics, Elsevier, vol. 66(2), pages 349-362, July.

    More about this item

    JEL classification:

    • G15 - Financial Economics - - General Financial Markets - - - International Financial Markets
    • F31 - International Economics - - International Finance - - - Foreign Exchange


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