A currency future is a contract that details the price at which currency could be bought or sold and sets a specific date for the exchange.

Currency depreciation is the decline of a currency’s value relative to another currency. It specifically refers to currencies in a floating exchange rate – a system in which a currency’s value is set by the forex market, based on supply and demand.

Currency appreciation is when one currency in a forex pair increases in value relative to the other currency in the pair. Forex traders often talk about one currency ‘strengthening’ in relation to another, meaning that it would cost more to buy, or that it can buy more of another currency when sold.

Crystallization is the term used when a trader or business closes a position and then reopens an identical position immediately.