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Beating the Foreign Exchange Market

Authors

  • RICHARD J. SWEENEY

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    • Claremont McKenna College and Claremont Graduate School. Arthur D. Warga, Douglas Joines, and Thomas D. Willett offered helpful comments, and Ning-Ning Koo provided research assistance.

ABSTRACT

Filter rule profits found in foreign exchange markets in the early days of the current managed float persist in later periods, as shown by statistical tests developed and implemented here. The test is consistent with, but independent of, a wide variety of asset pricing models. The profits found cannot be explained by risk if risk premia are constant over time. Inclusion of the home-foreign interest rate differential in computing profits has little effect on the comparison of filter returns to those of buy-and-hold.

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