According to the IRS an exchange rate "is the rate at which one currency may be converted into another.." - IRS
Here are some useful resources for those interested in currency exchange rates:
Governmental Sites
U.S. Treasury Department Reporting Rates of Exchange
Federal Reserve Board
IRS: Foreign currency and currency exchange rates
Other Sites
Bloomberg Cross Rates
CNN Business Market Coverage
Pacific Exchange Rate Service
XE.com
X-rates.com
Financial data is used to create business strategies and can come in different forms.
"Financial data refers to a number of verified, quantifiable sources about the financial health, performance, and prospects of an enterprise." -enigma.com
National Data Sources
Chicago Mercantile Exchange Group
EDGAR (SEC)
Nasdaq Stock Market
New York Stock Exchange
U.S. Securities and Exchange Commission
International Data Sources
International Stock Exchange (Wall Street Journal)
London Stock Exchange (FTSE)
German Stock Exchange (Deutsche-Börse Group)
Hong Kong Stock Exchange
Japan Exchange Group
