Arbitrage - Simultaneous purchase of cash commodities or futures in one market against the sale of cash commodities or futures in the same or a different market to profit from a discrepancy in prices. Also includes some aspects of hedging. See Spread, Switch.
Asian Option - An option whose payoff depends on the average price of the underlying asset during some portion of the life of the option.
Assignable Contract -One which allows the holder to convey his rights to a third party. Exchange-traded contracts are not assignable.
Associated Person - A person associated with any futures commission merchant, introducing broker, commodity trading advisor, commodity pool operator or leverage transaction merchant as a partner, officer, employee, consultant, or agent. Also, any person occupying a similar status or performing similar functions, in any capacity that involves; (a) the solicitation or acceptance of customers' orders, discretionary accounts, or participation in a commodity pool (other than in a clerical capacity); or (b) the supervision of any person or persons so engaged.
At-the-Market - An order to buy or sell a futures contract at whatever price is obtainable when the order reaches the trading floor. Also called a Market Order.
At-the-Money - When an option's exercise price is the same as the current trading price of the underlying commodity, the option is at-the-money.
Audit Trail - The record of trading information identifying for example, the brokers participating in each transaction, the firms clearing the trade, the terms and time of the trade, and, ultimately and when applicable, the customers involved.