All currencies are expressed in units of currency per Euro .
The Euro Currency Index ( EUR_I ) represents the arithmetic ratio of four major currencies against the Euro : US - Dollar , British Pound , Japanese Yen and Swiss Franc .
All currencies are expressed in units of currency per Euro Currency Index .
The Euro Currency Index ( EUR_I ) represents the arithmetic ratio of four major currencies against the Euro : US - Dollar , British Pound , Japanese Yen and Swiss Franc .