I am by no means an expert but this may be what you are looking for (from www.kitco.com) scholarpreneur.
"The U.S. Dollar Index® is computed using a trade-weighted geometric average of six currencies. The six currencies and their trade weights are:
Euro 57.6 %
Japan/yen 13.6 %
UK/pound 11.9 %
Canada/dollar 9.1 %
Sweden/krona 4.2 %
Switzerland/franc 3.6 %"
"The U.S. Dollar Index® is computed using a trade-weighted geometric average of six currencies. The six currencies and their trade weights are:
Euro 57.6 %
Japan/yen 13.6 %
UK/pound 11.9 %
Canada/dollar 9.1 %
Sweden/krona 4.2 %
Switzerland/franc 3.6 %"
