U.S. dollar index

The U.S. dollar index (USDX) is a measure of the value of the U.S. dollar relative to the value of a basket of currencies of the majority of the U.S.’s most significant trading partners. This index is similar to other trade-weighted indexes, which also use the exchange rates from the same major currencies—Read more at Investopedia. Chen, James. “U.S. Dollar Index – USDX Definition.” 10 April 2019