US dollar index Dollar Index http://www.investope...p#axzz1oecJTKKM Dollar Index trading "U.S. Dollar Index - USDX" financial USDX U.S. Dollar Index (USDX) This index started in 1973 http://www.investopedia.com/terms/u/usdx.asp#axzz1ZUSOYB2N The dollar index USDX USDX http://www.investopedia.com/terms/u/usdx.asp