The exchange of currencies can be done over a physical counter, such as at a Bureau de Change, or over the internet via broker platforms, where currency speculation takes place, known as forex trading.The foreign exchange market, by its very nature, is the world's largest tradi Read this Term ). The company was a market participant of the Australian Securities Exchange (ASX), Chi-X and SSX (formerly APX). In addition, the firm was a clearing and settlement participant of the ASX