CHF is the ISO currency code for the Swiss Franc. The Swiss Franc is classified as one of the Majors – the most commonly traded currencies in the forex market. It is also one of the world's major reserve currencies. The abbreviation CHF comes from the Latin name for Switzerland, Confoederatio Helvetica. The subunit of the franc is called the centime, rappen, centisimo, or rap. 100 centimes = 1 franc. Currently issued coins range from 5 centimes to 5 francs. Currently issued banknotes range from 10 to 1000 francs.