What are commodity currencies or simply, ‘comdolls’? What is their role in International commodity prices?

commodity currency is a name given to currencies of countries which depend heavily on the export of certain raw materials for income. These countries are typically developing countries, e.g. countries like BurundiTanzaniaPapua New Guinea; but also include developed countries like Canada and Australia.

In the foreign exchange market, commodity currencies generally refer to the Australian dollarCanadian dollarNew Zealand dollarNorwegian kroneSouth African randBrazilian real, and theChilean peso.

check this link :- http://en.wikipedia.org/wiki/Commodity_currency

In forex parlance commodity currency refers to Candian Dollar and Australian Dollar. These are the developed countries that does not generally fit into the Majors.

usd - gold(inverse),silver if usd is up gold,silver is down

chf-copper(direct) chf is up copper price also will up