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Major
A term broadly applied to those multinational oil companies which by virtue of size, age, or degree of integration are among the preeminent companies in the international petroleum industry.

Margin
The amount of money or collateral deposited by a customer with his broker, or deposited by a broker with a clearing member, or by a clearing member with the clearinghouse, for the purpose of insuring the broker or clearinghouse against adverse price movement on open futures contracts. The margin is not partial payment on a purchase.
1) Initial margin is the minimum deposit per contract required when a futures position is opened. 2) Maintenance margin is a sum which must be maintained on deposit at all times. If the equity in a customers' account drops to, or under, that level because of an adverse price movement, the clearing member must issue a margin call to restore the customers' equity. Margins are set by the Exchange based on its analysis of price risk volatility in the market at that time.
(See Variation Margin; Refinery Margin.)

Margin Call
A demand for additional margin funds when futures prices move in an adverse direction to a trader's position, or if margin requirements are increased. Buyers of options are not subject to margin calls.

Marked-to-Market
Daily cash flow system used to maintain a minimum level of margin equity for a given futures or options contract position by calculating the gain or loss in each contract position resulting from changes in the price of the futures or options contracts each trading day.

Market Connection
In technical analysis, a small reversal in prices following a significant trending period.

Market-If-Touched
An order that becomes a market order when a particular price is reached. A sell MIT is placed above the market; a buy MIT is placed below the market.

Market Maker
An independent trader or trading firm which is prepared to buy and sell futures or options contracts in a designated market. Market makers provide a two-sided (bid and ask) market and greater liquidity.

Market-On-Close
An order to buy or sell at the end of the trading session at a price within the closing range of prices.

Market Order
An order to be filled immediately at the current market price.

Maximum Price Fluctuation
A commodity exchange’s established maximum limits for movements in futures prices during any one trading session.

Middle Distillate
Hydrocarbons that are in the so-called "middle boiling range" of refinery distillation. Examples are heating oil, diesel fuels, and kerosene.

Minimum Price Fluctuation
Minimum unit by which a futures price or an options premium can fluctuate per trade, also known as tick size.

Motor Gasoline
A complex mixture of relatively volatile hydrocarbons, with or without small quantities of additives, which have been blended to form a fuel suitable for use in spark-ignition engines.

Motor Oil
Refined lubricating oil, usually containing additives, used in internal combustion engines.

Naked
A long or short market position taken without having an offsetting short or long position. For options, the term "uncovered| is used interchangeably and refers to a position that is taken without the benefit of an offsetting position in the futures market. A trader who executes one side of a spread is said to be naked until he executes the other side.

Naptha
A volatile, colorless product of petroleum distillation. Used primarily as a paint solvent, cleaning fluid, and blendstock in gasoline production.

Napthenes
One of the three basic hydrocarbon classifications found naturally in crude oil. Naphthenes are widely used as petrochemical feedstocks.

National Futures Association (NFA)
U.S. Futures industry trade association which promulgates rules of conduct and mediates disputes
between customers and brokers.

Natural Gas
A naturally occurring mixture of hydrocarbon and non-hydrocarbon gases found in porous rock formations. Its principal component is methane.

Natural Gas Liquids (NGL)
A general term for all liquid products separated from natural gas in a gas processing plant. NGLs include propane, butane, ethane, and natural gasoline.

Netback
Industry term referring to the net free on board cost of product offered on a delivered or cost, insurance, and freight basis. It is derived by subtracting all costs of shipment from the landed price.

Net Position
The difference between an individual or firm’s open long contracts and open short contracts in any one commodity.

Neutral Spread
Another name for a delta neutral spread. Spreads may also be lot neutral, where the total number of long contracts and the total number of short contracts of the same type are approximately equal.

Nominal Price
The declared price for a futures month sometimes used in place of a closing price when no recent trading has taken place in that particular delivery month; usually an average of the bid and asked prices.

Notice Day
The day on which an exchange clearinghouse issues delivery allocation notices to clearing members. See delivery.

Offer
A motion to sell a futures or options contract at a specified price. Opposite of bid.

Offset
A transaction which liquidates or closes out an open contract position. In spread positions, one side offsets the other without liquidating the entire position. Risk is reduced when one side offsets the other.

Omnibus Account
An account carried by one futures commission merchant with another in which the transactions of two or more persons are combined rather than designated separately and the identity of the individual accounts is not disclosed.

One-Cancels-The-Other
Two orders submitted simultaneously, either of which may be filled. If one order is filled, the other is considered to be canceled.

OPEC
Organization of Petroleum Exporting Countries

Open Interest or Commitment
The number of open or outstanding contracts for which an individual or entity is obligated to the Exchange because that individual or entity has not yet made an offsetting sale or purchase, an actual contract delivery, or, in the case of options, exercised the option.

Open Order
A resting order that is good until canceled.

Open Outcry
A method of two-way public auction through which verbal bids, offers, and trades are made in the
trading rings of commodity exchanges.

Opening Price
The price for a given commodity futures contract that is generated by open trading during the opening range of trading on a commodity exchange.

Opening Range
The range of prices determined by trades executed within the opening period for each trading session.

Options
A contract which gives the holder the right, but not the obligation, to purchase or to sell the underlying futures contract at a specified price within a specified period of time in exchange for a one-time premium payment. The contract also obligates the writer, who receives the premium, to meet these obligations.

Organization of Petroleum Exporting Countries
An organization made up of Algeria, Indonesia, Iran, Iraq, Kuwait, Libya, Nigeria, Qatar, Saudi Arabia, the United Arab Emirates, and Venezuela, whose principal aim is the coordination of the petroleum policies of the member countries

Original Margin
The initial deposit of funds, as good faith monies, when a position is initiated in order to guarantee fulfillment of its obligations. Also known as initial margin.

Out-Of-The-Money
An option which has no intrinsic value. For calls, an option whose exercise price is above the market price of the underlying future. For puts, an option whose exercise price is below the futures price.

Outage
A planned outage is the shutdown of a generating unit, transmission line, or other facility for inspection and maintenance, in accordance with an advance schedule. A forced outage is the unplanned loss of service of a generating unit, transmission line, or other facility for purposes other than inspection and maintenance.

Overbought
A technical opinion that the market price has risen too steeply and too fast in relation to underlying fundamental factors.

Oversold
A technical opinion that the market price has declined too steeply and too fast in relation to underlying fundamental factors.

Over-The-Counter (OTC)
A term referring to derivative transactions that are conducted outside the realm of regulated exchanges. Transactions are conducted directly through banks or brokerage houses, or by principal-to-principal in the over-the-counter market.

Overwrite
The writing of more options than one expects to have exercised. Call options are overwritten because the writer considers the underlying overvalued. Put options are overwritten because the underlying is considered undervalued.