DEFINITION of 'Buy The Book'

An order to purchase all shares available in the market for a particular stock at the current selling price. A buy the book order is most likely to be made by an institutional investor, and is generally to be executed at the current market price. Shares can be purchased from any party interested in selling.


"Book" refers to the record of positions kept by a broker or specialist before the advent of computers. It was a record of all shares owned, so buying the book meant that an investor was taking all the broker's shares off his hands. This type of trade can end up being a very large trade in high volume stocks and may increase the price other investors are willing to sell at.

  1. Public Book (Of Orders)

    A book containing all of the buy and sell orders for a specific ...
  2. Trading Book

    The portfolio of financial instruments held by a brokerage or ...
  3. Display Book

    A detailed tracking tool used on market exchanges that displays, ...
  4. Book Value Per Common Share

    Book value per common share is a measure used by owners of common ...
  5. Sell Plus

    An order to sell a quantity of stock at a price that is above ...
  6. Away From The Market

    An expression that is used when the bid on a limit order is lower ...
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