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On an exchange, the member firm that is designated as the market maker (or dealer for a listed common stock). Member of a stock exchange who maintains a "fair and orderly market" in one or more securities. Only one specialist can be designated for a given stock, but dealers may be specialists for several stocks. In contrast, there can be multiple market makers in the OTC market. Major functions include executing limit orders on behalf of other exchange members for a portion of the floor broker's commission, and buying or selling for the specialist's own account to counteract temporary imbalances in supply and demand and thus prevent wide swings in stock prices.


A member firm on a securities exchange that the exchange's management charges with keeping a fair and orderly market on one or more securities. That is, a specialist serves as a market maker on its assigned securities by buying and selling them to ensure liquidity in the market. Brokers approach specialists to conduct to conduct transactions on their assigned securities. Each security on the exchange has exactly one specialist. A specialist is less commonly called an assigned dealer. See also: Book.


A member of a securities exchange who is a market maker in one or more securities listed on the exchange. The specialist is the person on the exchange floor to whom other members go when they wish to transact or leave an order. Specialists are assigned securities by the exchange and are expected to maintain a fair and orderly market in them. Also called assigned dealer. See also book, Rule 104.


A specialist or specialist unit is a member of a securities exchange responsible for maintaining a fair and orderly market in a specific security or securities on the exchange floor.

Specialists execute market orders given to them by other members of the exchange known as floor brokers or sent to their post through an electronic routing system.

Typically, a specialist acts both as agent and principal. As agent, the specialist handles limit orders for floor brokers in exchange for a portion of their commission.

Those orders are maintained in an electronic record known as the limit order book, or specialist's book, until the stock is trading at the acceptable price. As principal, the specialist buys for his or her own account to help maintain a stable market in a security.

For example, if the spread, or difference, between the bid and ask, or the highest price offered by a buyer and the lowest price asked by a seller, gets too wide, and trading in the security hits a lull, the specialist might buy, sell, or sell short shares to narrow the spread and stimulate trading.

But because of restrictions the exchange puts on trading, a specialist is not permitted to buy a security when there is an unexecuted order for the same security at the same price in the limit order book.

References in periodicals archive ?
It was expected that diagnostic outcomes from the clinical nurse specialist would generally fall into 3 groups: patients with definite glaucoma; those with suspected glaucoma but no definitive diagnosis made; or those with no identifiable disease or risk for the disease.
Clinical nurse specialists are at the front line of cancer care.
She said: "As a Macmillan clinical nurse specialist and a GSF facilitator I am extremely proud of the hard work and continued dedication shown by all the staff to residents within their care.
Stephanie--The University of Oklahoma College of Nursing, Director for Clinical Nurse Specialist Program; Oklahoma Association of Clinical Nurse Specialists (OACNS) Board Member, Director-at-Large for Continuing Education Committee
It is proving to be a wonderful experience and very satisfying to raise the profile and role of clinical nurse specialists as well as a privilege to represent our rheumatology department and trust at a national and international level.
She was a member of the Board of Directors of the National Association of Clinical Nurse Specialists, which has established a scholarship fund in her honor.
Christy Buttler Nelson of Conrad, Montana, is the first master's student to complete the requirements of the Community Health/ Public Health Clinical Nurse Specialist (CNS) option at Montana State University College of Nursing.
The role of Clinical Nurse Specialist, Emergency Surgery, was devised by Good Hope, in Sutton Coldfield, in 2000 to speed up the process of getting emergency patients needing surgery into the hospital's theatres.
Ideally, a gerontological clinical nurse specialist (GCNS) or a gerontological nurse practitioner (GNP) is the professional who can bring this team together because he or she offers a depth and breadth of knowledge concerning the care of older people.
The support group, led by a clinical nurse specialist, will provide medical information and a forum for sharing feelings and experiences.
Daniels is a veteran clinical nurse specialist at Clarian Health Partners - Riley Hospital for Children and a well-respected faculty member at Indiana University School of Nursing, where she completed her doctoral work in injury prevention and public policy.

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