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In securities trading, an order book contains the list of buy orders and the list of sell orders. For each entry it must keep among others, some means of identifying the party (even if this identification is obscured, as in a dark pool), the number of securities and the price that the buyer or seller are bidding/asking for the particular security.
The bid–ask spread (also bid–offer or bid/ask and buy/sell in the case of a market maker) is the difference between the prices quoted (either by a single market maker or in a limit order book) for an immediate sale and an immediate purchase for stocks, futures contracts, options, or currency pairs in some auction scenario.
The market data for a particular instrument would include the identifier of the instrument and where it was traded such as the ticker symbol and exchange code plus the latest bid and ask price and the time of the last trade. It may also include other information such as volume traded, bid, and offer sizes and static data about the financial ...
For example, if a stock price has a bid price of $100 and an ask price of $100.05, the bid-ask spread would be $0.05. The spread can also be expressed as a percentage of the ask price, which in ...
For instance, if a trader submits a limit order to buy 1,000 shares of MSFT at $28.00, this order will appear in a market maker for MSFT's book with a bid of $28.00 and a bid size of 1000. The difference between the bid and ask price is known as the bid–ask spread .
In economics, a price mechanism refers to the way in which price determines the allocation of resources and influences the quantity supplied and the quantity demanded of goods and services. The price mechanism, part of a market system , functions in various ways to match up buyers and sellers: as an incentive, a signal, and a rationing system ...
A bid price is the highest price that a buyer (i.e., bidder) is willing to pay for some goods. It is usually referred to simply as the "bid". In bid and ask, the bid price stands in contrast to the ask price or "offer", and the difference between the two is called the bid–ask spread. An unsolicited bid or purchase offer is when a person or ...
A double auction is a process of buying and selling goods with multiple sellers and multiple buyers. [1] Potential buyers submit their bids and potential sellers submit their ask prices to the market institution, and then the market institution chooses some price p that clears the market: all the sellers who asked less than p sell and all buyers who bid more than p buy at this price p.