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How and where to get the time series of the values USDEUR?
The Federal Reserve Bank publishes exchange rate data in their H.10 release. It is daily, not minute by minute. The Fed says this about their data: About the Release The H.10 weekly release contains daily rates of   exchange of major currencies against the U.S. dollar. The data are   noon buying rates in New York for cable transfers payable in the   listed currencies. The rates have been certified by the Federal   Reserve Bank of New York for customs purposes as required by section   522 of the amended Tariff Act of 1930. The historical EURUSD rates for the value of 1 EURO in US$ are at: http://www.federalreserve.gov/releases/h10/hist/dat00_eu.htm If you need to know USDEUR the value of 1 US$ in EUROS use division 1.0/EURUSD.