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  2. Bid-ask spread: What it is and how it works - AOL

    www.aol.com/finance/bid-ask-spread-works...

    Because of this, active traders in particular may want to pay attention to the bid-ask spread. For example, if a stock price has a bid price of $100 and an ask price of $100.05, the bid-ask spread ...

  3. Bid price - Wikipedia

    en.wikipedia.org/wiki/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 person or ...

  4. Price mechanism - Wikipedia

    en.wikipedia.org/wiki/Price_mechanism

    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 for resources. 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 ...

  5. Bid–ask spread - Wikipedia

    en.wikipedia.org/wiki/Bidask_spread

    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.

  6. Market maker - Wikipedia

    en.wikipedia.org/wiki/Market_maker

    The income of a market maker is the difference between the bid price, the price at which the firm is willing to buy a stock, and the ask price, the price at which the firm is willing to sell it. It is known as the market-maker spread, or bid–ask spread. Supposing that equal amounts of buy and sell orders arrive and the price never changes ...

  7. Glossary of stock market terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_stock_market_terms

    Ask price or Ask: the lowest price a seller of a stock is willing to accept for a share of that given stock. [ 2 ] Bear market : a general decline in the stock market over a period of time.

  8. Double auction - Wikipedia

    en.wikipedia.org/wiki/Double_auction

    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.

  9. Auction theory - Wikipedia

    en.wikipedia.org/wiki/Auction_theory

    Online auctions often use an equivalent version of Vickrey's second-price auction wherein bidders provide proxy bids for items. A proxy bid is an amount an individual values some item at. The online auction house will bid up the price of the item until the proxy bid for the winner is at the top.