A computerized method and system buying and selling in a marketplace denominated in multiple currencies. A best bid or best offer can be determined according to pecuniary advantage based upon a selected currency. An amount required to become a best bid or best offer within a set of defined currencies is also included. Some embodiments include a network of computers permitting access to a multi-currency marketplace. Prices in the multi-currency marketplace can be ranked according to a particular currency selected by a market participant.

 
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