Daily Trading Limit: The maximum price range set by the exchange each day for a contract. Day Traders: Speculators who take positions in futures or options contracts and liquidate them prior to the close of the same trading day.

Deferred (Delivery) Month: The more distant month(s) in which futures trading is taking place, as distinguished from the nearby (delivery) month.

Deliverable Grades: The standard grades of commodities or instruments listed in the rules of the exchanges that must be met when delivering cash commodities against futures contracts. Grades are
often accompanied by a schedule of discounts and premiums allowable for delivery of commodities of lesser or greater quality than the standard called for by the exchange. Also referred to as contract grades.

Delivery: The transfer of the cash commodity from the seller of a futures contract to the buyer of a futures contract. Each futures exchange has specific procedures for delivery of a cash commodity. Some futures contracts, such as stock index contracts, are cash settled.

Delivery Day: The third day in the delivery process at the Chicago Board of Trade, when the buyer's clearing firm presents the delivery notice with a certified check for the amount due at the office of the seller's clearing firm.

Delivery Month: A specific month in which delivery may take place under the terms of a futures
contract. Also referred to as contract month.

Delivery Points: The locations and facilities designated by a futures exchange where stocks of a commodity may be delivered in fulfillment of a futures contract, under procedures established by the exchange.

Delta: A measure of how much an option premium changes, given a unit change in the underlying futures price. Delta often is interpreted as the probability that the option will be in-the-money by expiration.

Demand, Law of: The relationship between product demand and price.

Differentials: Price differences between classes, grades, and delivery locations of various stocks of the same commodity.

Discount Method: A method of paying interest by issuing a security at less than par and repaying par value at maturity. The difference between the higher par value and the lower purchase price is the interest.

Discount Rate: The interest rate charged on loans by the Federal Reserve to member banks. Discretionary Account: An arrangement by which the holder of the account gives written power of
attorney to another person, often his broker, to make trading decisions. Also known as a controlled or managed account.

Discretionary Account: An arrangement by which the holder of the account gives written power of attorney to person, often his broker, to make trading decisions. Also known as a controlled or managed account.