Euro Currency Index summer of 2007, the index began to decline. On 6 February 2009 a value of 187.84 points was determined. In the following eight months, the European single currency rebounded from the lows. On 13 October 2009, the index rose by 208.45 points, near its historical high point. A financial crisis in several member states of the Euro zone in 2010 led to the outbreak of the Euro crisis. Particularly affected is Greece (see Greek government-debt crisis from 2010), but also other countries such as Ireland, Spain, Italy and Portugal. The weakness of the Euro against almost all global currencies caused
Bulgaria and the euro how to let a country using a currency board join the euro. The Prime Minister has stated the desire to keep the currency board until the euro was adopted. However, factors such as a high inflation, an unrealistic exchange rate with the euro and the country's low productivity are negatively affected by the system. Simeon Dyankov, Bulgaria's then-finance minister, said in September 2009 that Bulgaria planned to enter ERM II in November 2009, but this was delayed. It was then delayed further due to an increased budget deficit, outside the Maastricht criteria. Since 2011, Bulgaria's non-membership of the ERM has