Summary
For the purpose of elucidating the correlation among currencies, we analyze daily and high-resolution data of foreign exchange rates. There is strong correlation for pairs of currencies of geographically near countries. We show that there is a time delay of order less than a minute between two currency markets having a strong cross-correlation. The cross-correlation between exchange rates is lower in shorter time scale in any case. As a corollary we notice a kind of contradiction that the direct Yen-Dollar rate significantly differs from the indirect Yen-Dollar rate through Euro in short time scales. This result shows the existence of arbitrage opportunity among currency exchange markets.
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Exchange Rate Service:http://pacific.commerce.uhc.ca/xr/.
Takayasu, H., Takayasu, M., (2001) Econophysics-Toward Scientific Reconstruction of Economy, Nikkei, Tokyo. (in Japanese)
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© 2004 Springer Japan
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Mizuno, T., Kurihara, S., Takayasu, M., Takayasu, H. (2004). Time-scale dependence of correlations among foreign currencies. In: Takayasu, H. (eds) The Application of Econophysics. Springer, Tokyo. https://doi.org/10.1007/978-4-431-53947-6_3
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DOI: https://doi.org/10.1007/978-4-431-53947-6_3
Publisher Name: Springer, Tokyo
Print ISBN: 978-4-431-67961-5
Online ISBN: 978-4-431-53947-6
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