Andorra and the euro facto" used the EU's euro (the currency of the Eurozone states) as it had historically used the French franc and Spanish peseta. When those two currencies were replaced by the euro in 2002, the euro replaced the franc and peseta as the sole circulating currency in Andorra. Unlike the three other European microstates outside of the EU, Monaco, San Marino and the Vatican City, which adopted the euro when it was introduced, Andorra did not conclude a monetary agreement with the EU but rather used it unilaterally. These agreements gave the three microstates the right to issue their own euro
Euro Currency Index was 34.38805726 multiplied by the product of all components in the basket of currencies, that have been raised to a high number of their percentage, weighting equal to: ECX = 34.38805726 x (EURUSD^(0.3155) x EURGBP^(0.3056) x EURJPY^(0.1891) x EURCHF^(0.1113) x EURSEK^(0.0785)) The all-time low was constructed on 6 July 2001, with 83.36 points and the all-time high on July 14, 2008, 123.82 points. On 20 May 2011, the exchange ICE Futures U.S. ended the trading of futures and options on the index. On July 28, 2011, the calculation of the ICE Euro Currency Index was discontinued (last value was 108.88