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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 (ask) and an immediate purchase (bid) for stocks, futures contracts, options, or currency pairs in some auction scenario.
The price mechanism is an economic model where price plays a key role in directing the activities of producers, consumers, and resource suppliers. An example of a price mechanism uses announced bid and ask prices. Generally speaking, when two parties wish to engage in trade, the purchaser will announce a price he is willing to pay (the bid ...
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.
Since buying and selling stock is a key component of investing, it’s important for investors to understand trading terminology — especially the term "bid-ask spread."
The bid–ask matrix is a matrix with elements corresponding with exchange rates between the assets. These rates are in physical units (e.g. number of stocks) and not with respect to any numeraire. The element of the matrix is the number of units of asset which can be exchanged for 1 unit of asset .
Auction theory is a branch of applied economics that deals with how bidders act in auctions and researches how the features of auctions incentivise predictable outcomes. Auction theory is a tool used to inform the design of real-world auctions. Sellers use auction theory to raise higher revenues while allowing buyers to procure at a lower cost.
A Dutch auction initially offers an item at a price in excess of the amount the seller expects to receive. The price lowers in steps until a bidder accepts the current price. That bidder wins the auction and pays that price for the item. For example, a business might auction a used company car at a starting bid of €15,000.
Bid price. 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 ...