Eurodollar, Eurodollar, refers to the dollar deposited in banks outside the United States and not regulated by the US Federal Reserve system. Therefore, this kind of savings is less restricted and has a higher return than similar savings in the United States.

Historically, this kind of savings was mainly held by European banks and financial institutions, hence the name "Eurodollar". As of June+10, 2006, China's foreign exchange reserves exceeded 1 trillion US dollars, ranking first in the world. This kind of savings is now all over the world, but it is still called the euro.