Patent ID: 8762247

Claim:
A computer-implemented method of calculating a value representing a prospective currency unit of a monetary union, the calculating comprising: receiving an aggregated economic indicator value representing an economic indicator for a monetary union at a first time frame while a breakout entity is still a member of a monetary union; based on, at least in part, a proportion of the aggregated economic indicator value attributable to an economic indicator value of the breakout entity, calculating with at least one processor of an exchange computer system, an initial value representing an exchange rate of the prospective currency unit of the monetary union against a second currency of a country that is not part of the monetary union, the calculation comprising: weighting an exchange rate of the breakout entity against the second currency according to its proportion of the economic indicator value for the first time frame; weighting an exchange rate of a currency of the monetary union against the second currency according to the proportion of the economic indicator value that is not attributable to the at least one breakout entity for the first time frame; and utilizing the weighted exchange rates to obtain the initial value of the prospective currency unit.