The index is designed, maintained, and published by ICE ( Intercontinental Exchange , Inc. ), with the name "U.S. Dollar Index" a registered trademark.
It is a weighted geometric mean of the dollar's value relative to following select currencies:
Euro (EUR), 57.6% weight
Japanese yen (JPY) 13.6% weight
Pound sterling (GBP), 11.9% weight
Canadian dollar (CAD), 9.1% weight
Swedish krona ( SEK ), 4.2% weight
Swiss franc (CHF) 3.6% weight