Abstract

SANTILLAN SALGADO, Roberto J.; FONSECA RAMIREZ, Alejandro  and  ROMERO, Luis Nelson. The “day-of-the-week” effects in the exchange rate of Latin American currencies. Rev. mex. econ. finanz [online]. 2019, vol.14, n.spe, pp.485-507.  Epub Oct 07, 2020. ISSN 2448-6795.  https://doi.org/10.21919/remef.v14i0.419.

This paper examines the “day-of-the-week” anomaly in the foreign exchange market of six major Latin American countries’ currencies: (Argentina, Brazil, Chile, Colombia, Mexico, and Peru), all with respect to the United States’ dollar. The returns of daily exchange rates are stationary, so we use linear regressions combined with GARCH, TARCH and EGARCH models to explore the presence of the “day-of-the-week” anomaly. The results confirm the presence of “abnormal” effects in some of the currencies and in some days of the week, particularly on Fridays and Mondays. Moreover, volatility in exchange rates shows clustering behavior, as well as leverage effects, which are carefully modelled in our analysis. This paper contributes to the literatureby studying the “day-of-the-week” effects in currency exchange rate markets, a clear innovation with respect to the typical stock market analysis. The results reported are useful for foreign exchange market traders, currency exposure management decision makers, monetary authorities, and financial policy designers in the countries included in the study. Indeed, the results suggest the presence of a typical behavior of the exchange rate of all the currencies included in the sample.

Keywords : “Day-of-the-week” effect; exchange rate markets; Latin America; Market Efficiency; GARCH; EGARCH; TARCH.

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