Order Book Official

DEFINITION of 'Order Book Official'

A trading floor participant responsible for maintaining a list of public market or limit orders of a specific option class using the "market-marker" system of executing orders.

BREAKING DOWN 'Order Book Official'

The term can also sometimes be used in reference to a current list of public market or limit orders for a given exchange. For example, a list of specific public orders awaiting execution on the Chicago Board Options Exchange could be referred to as the "order book official".

RELATED TERMS
  1. Limit Order

    An order placed with a brokerage to buy or sell a set number ...
  2. Public Book (Of Orders)

    A book containing all of the buy and sell orders for a specific ...
  3. Order Book

    An electronic list of buy and sell orders for a specific security ...
  4. At The Highest Possible Price

    A type of security trading designation that instructs a brokerage ...
  5. Market Order

    An order that an investor makes through a broker or brokerage ...
  6. Order

    An investor's instructions to a broker or brokerage firm to purchase ...
Related Articles
  1. Professionals

    TYPES OF ORDERS

    Order Execution Most customer orders, which are market orders or executable limit orders, will be routed electronically to the trading post for automatic execution. The electronic system bypasses ...
  2. Professionals

    THE CHICAGO BOARD OPTION EXCHANGE

    The Chicago Board Option Exchange The CBOE functions in many ways, exactly like other exchanges, except it has one major difference. The CBOE does not use a specialist system like the one used ...
  3. Professionals

    Types Of Orders

    Investors can enter various types of orders to buy or sell options. Some orders guarantee that the investor’s order will be executed immediately. Other types of orders may state a specific ...
  4. Professionals

    Types of Securities Orders

    Securities Orders
  5. Professionals

    Order Execution

    Most customer orders, which are market orders or executable limit orders, will be routed electronically to the trading post for automatic execution. The electronic system bypasses the firm’s ...
  6. Professionals

    The Chicago Board Option Exchange

    The CBOE functions in many ways, exactly like other exchanges, except it has one major difference. The CBOE does not use a specialist system like the one used on all other exchanges. The specialist ...
  7. Professionals

    Order Types

    NASAA Series 65: Section 17 Order Types. In this section market order, limit order, stop order and stop limit order.
  8. Professionals

    Types Of Orders

    Investors can enter various types of orders to buy or sell securities. Some orders guarantee that the investor’s order will be executed immediately. Other types of orders may state a specific ...
  9. Professionals

    Types Of Orders

    Investors can enter various types of orders to buy or sell securities. Some orders guarantee that the investor’s order will be executed immediately. Other types of orders may state a specific ...
  10. Investing Basics

    Understanding Order Execution

    Find out the various ways in which a broker can fill an order, which can affect costs.
RELATED FAQS
  1. What's the difference between a market order and a limit order?

    Buy and sell trades with market orders at the present stock price and execute limit orders if the stock price falls within ... Read Answer >>
  2. How do I place a limit order online?

    Learn how a limit order is placed, the types of stocks it is most useful for and the specifications placed with it to suit ... Read Answer >>
  3. Why do limit orders cost more than market orders?

    Learn the difference between a market order and a limit order, and why a trader placing a limit order pays higher fees than ... Read Answer >>
  4. Why is the execution of a limit order not guaranteed?

    Using a limit order to buy a stock can be helpful in securing certain prices, but the mechanics of a limit order can decrease ... Read Answer >>
  5. How do I set a strike price in foreign exchange trading?

    Learn about the different order types foreign exchange traders can use to manage positions at certain strike prices and how ... Read Answer >>
  6. What are the regulations surrounding limit order protection?

    Learn about the order protection rule enacted by the Securities and Exchange Commission (SEC) to ensure investors receive ... Read Answer >>
Hot Definitions
  1. Law Of Demand

    A microeconomic law that states that, all other factors being equal, as the price of a good or service increases, consumer ...
  2. Cost Of Debt

    The effective rate that a company pays on its current debt. This can be measured in either before- or after-tax returns; ...
  3. Yield Curve

    A line that plots the interest rates, at a set point in time, of bonds having equal credit quality, but differing maturity ...
  4. Stop-Limit Order

    An order placed with a broker that combines the features of stop order with those of a limit order. A stop-limit order will ...
  5. Keynesian Economics

    An economic theory of total spending in the economy and its effects on output and inflation. Keynesian economics was developed ...
  6. Society for Worldwide Interbank Financial Telecommunications ...

    A member-owned cooperative that provides safe and secure financial transactions for its members. Established in 1973, the ...
Trading Center