I\'d like to know if it is possible to query a past exchange rate on Google Spreadsheet.
For example; using formula =GoogleFinance(\"CURRENCY:USDEUR\")
=GoogleFinance(\"CURRENCY:USDEUR\")
Vasim's answer is excellent, however notice if you want the exchange date on that day only, you can omit the range and just specify the day such as the following
=FILTER(INDEX(GoogleFinance("usdeur","price",today()),,2),INDEX(GoogleFinance("usdeur","price",today()),,2)<>"Close")