The U.S. Dollar Index is an index (or measure) of the value of the United States dollar relative to a basket of foreign currencies, often referred to as a basket of U.S. trade partners’ currencies. . Its ticker symbol is USDX, DXY, DX, or, informally, the “Dixie”  The Index goes up when the U.S. dollar gains “strength” (value) when compared to other currencies.

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 the 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