Euro Currency Index 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. All currencies are expressed in units of currency per Euro. The index was launched in 2004 by the exchange portal Stooq.com. Underlying are 100 points on 4 January 1971. Before the introduction of the European single currency on 1 January 1999 an exchange rate of 1 Euro = 1.95583 Deutsche mark was calculated. Based on the progression, Euro Currency Index can show the strength or weakness of the Euro. A rising index indicates
Bulgaria and the euro numerals). However, the word stotinki (стотинки), singular stotinka (стотинка), the name of the subunit of the current Bulgarian currency, could be used in place of cent, as it has become a synonym of the word "coins" in colloquial Bulgarian; just like "cent" (from Latin centum), its etymology is from a word meaning hundred – "sto" (сто). Stotinki is used widely in the Bulgarian diaspora in Europe to refer to subunits of currencies other than the Bulgarian lev. Bulgaria and the euro Bulgaria committed to switching its currency, the lev, to the euro upon its joining the European Union in 2007,