Euro states; it was not a currency in its own right. They could not be set earlier, because the ECU depended on the closing exchange rate of the non-euro currencies (principally the pound sterling) that day. The procedure used to fix the conversion rate between the Greek drachma and the euro was different, since the euro by then was already two years old. While the conversion rates for the initial eleven currencies were determined only hours before the euro was introduced, the conversion rate for the Greek drachma was fixed several months beforehand. The currency was introduced in non-physical form (traveller's
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