Securities Terms and Definitions

Aggregation The principle under which all futures positions owned or controlled by one trader (or group of traders acting in concert) are combined to determine reporting status and compliance with speculative position limits. See CFTC Backgrounder: Speculative Limits, Hedging, and Aggregation. Amortization Liquidation of a debt through installment payments. Abandon To elect not to exercise or offset a long option position Ponzi Scheme Named after Charles Ponzi, a man with a remarkable criminal career in the early 20th century, the term has been used to describe pyramid arrangements whereby an enterprise makes payments to investors from the proceeds of a later investment rather than from profits of the underlying business venture, as the investors expected, and gives investors the impression that a legitimate profit-making business or investment opportunity exists, where in fact it is a mere fiction. Butterfly Spread A three-legged option spread in which each leg has the same expiration date but different strike prices. For example, a butterfly spread in soybean call options might consist of one long call at a $5.50 strike price, two short calls at a $6.00 strike price, and one long call at a $6.50 strike price. Accommodation Trading Non-competitive trading entered into by a trader, usually to assist another with illegal trades. Backwardation Market situation in which futures prices are progressively lower in the distant delivery months. For instance, if the gold quotation for January is $360.00 per ounce and that for June is $355.00 per ounce, the backwardation for five months against January is $5.00 per ounce. (Backwardation is the opposite of contango ). See Inverted Market. Carrying Charges Cost of storing a physical commodity or holding a financial instrument over a period of time. These charges include insurance, storage, and interest on the deposited funds, as well as other incidental costs. Systemic Risk The risk that a default by one market participant will have repercussions on other participants due to the interlocking nature of financial markets. For example, Customer A’s default in X market may affect Intermediary B’s ability to fulfill its obligations in Markets X, Y, and Z. Artificial Price A futures price that has been affected by a manipulation and is thus higher or lower than it would have been if it reflected the forces of supply and demand.

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	Did You Know?
	Variation Margin: Payment made on a daily or intraday basis Variation Margin: Payment made on a daily or intraday basis by a clearing member to the clearing organization based on adverse price movement in positions carried by the clearing member, calculated separately for customer and proprietary positions.