The U.S. Dollar Index tracks the strength of the dollar against a basket of major currencies. DXY was originally developed by the U.S. Federal Reserve in 1973 to provide an external bilateral trade-weighted average value of the U.S. dollar against global currencies. U.S. Dollar Index goes up when the U.S. dollar gains "strength" (value), compared to other currencies. The following six currencies are used to calculate the index:
The current value of U.S. Dollar Index is 106.621 USD — it has risen by 0.32% in the past 24 hours. Track the index more closely on the U.S. Dollar Index chart.
U.S. Dollar Index reached its highest quote on Feb 25, 1985 — 164.720 USD. See more data on the U.S. Dollar Index chart.
The lowest ever quote of U.S. Dollar Index is 70.698 USD. It was reached on Mar 17, 2008. See more data on the U.S. Dollar Index chart.
U.S. Dollar Index value has increased by 0.27% in the past week, since last month it has shown a 1.68% increase, and over the year it's increased by 2.49%. Keep track of all changes on the U.S. Dollar Index chart.
U.S. Dollar Index is just a number that lets you track performance of the instruments comprising the index, so you can't invest in it directly. But you can buy U.S. Dollar Index futures or funds or invest in its components.