The US Dollar Index (USDX) is a futures contract offered by the New York Board of Trade. It is a trade-weighted average of six foreign currencies against the dollar. Currently, the index includes euros (EUR), Japanese yen (JPY), British pounds (GBP), Canadian dollars (CAD), Swedish kronas (SEK) and Swiss francs (CHF).
The Dollar Index broadly reflects the dollar’s standing compared to the other major currencies of the world. It is widely used to hedge risk in the currency markets or to take a position in the US Dollar without having the risk exposure of a single currency pair.
See also: US Dollar Index Chart