American-style option An option contract that may be exercised at any time before it expires.
Ask The quoted price at which a customer can buy a currency pair. Also referred to as the 'offer', 'ask price', or 'ask rate'.
Base Currency For foreign exchange trading, currencies are quoted in terms of a currency pair. The first currency in the pair is the base currency. For example, in a USD/JPY currency pair, the US dollar is the base currency. Also may be referred to as the primary currency.
Bid The quoted price where a customer can sell a currency pair. Also known as the 'bid price' or 'bid rate'.
Bid/Ask Spread The point difference between the bid and ask (offer) price.
Call A call option gives the option buyer the right to purchase a particular currency pair at a stated exchange rate.
Counterparty The counterparty is the person who is on the other side of an OTC trade. For retail customers, the dealer will always be the counterparty.
Cross-rate The exchange rate between two currencies where neither of the currencies are the US dollar.
Currency pair The two currencies that make up a foreign exchange rate. For example, USD/YEN is a currency pair.
Dealer A firm in the business of acting as a counterparty to foreign currency transactions.
Euro The common currency adopted by eleven European nations (i.e., Austria, Belgium, Finland, France, Germany, Ireland, Italy, Luxembourg, the Netherlands, Portugal and Spain) on January 1, 1999.
European-style option An option contract that can be exercised only on or near its expiration date.
Expiration This is the last day on which an option may either be exercised or offset.
Forward transaction A true forward transaction is an agreement that expects actual delivery of and full payment for the currency to occur on a future date. This term may also be used to refer to transactions that the parties expect to offset at some time in the future, but these transactions are not true forward transactions and are governed by the federal Commodity Exchange Act.
Interbank market A loose network of currency transactions negotiated between financial institutions and other large companies.