Bid-Ask Spread

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What is a 'Bid-Ask Spread'

A bid-ask spread is the amount by which the ask price exceeds the bid. This is essentially the difference in price between the highest price that a buyer is willing to pay for an asset and the lowest price for which a seller is willing to sell it.

BREAKING DOWN 'Bid-Ask Spread'

For example, if the bid price is $20 and the ask price is $21 then the "bid-ask spread" is $1.

The size of the spread from one asset to another will differ mainly because of the difference in liquidity of each asset. For example, currency is considered the most liquid asset in the world and the bid-ask spread in the currency market is one of the smallest (one-hundredth of a percent). On the other hand, less liquid assets such as a small-cap stock may have spreads that are equivalent to a percent or two of the asset's value.

Knowing the Bid-Ask spread could help in your investing strategy. Read How to Calculate the Bid-Ask Spread and The Basics of the Bid-Ask Spread to learn more about this concept.

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RELATED FAQS
  1. What's the difference between bid-ask spread and bid-ask bounce?

    Understand the difference between the bid-ask spread that determines the buy or sell price for a stock and a bid-ask bounce, ... Read Answer >>
  2. What are the determinants of a stock's bid-ask spread?

    Stock exchanges are set up to assist brokers and other specialists in coordinating bid and ask prices. The bid price is the ... Read Answer >>
  3. How do I use the bid-ask spread to evaluate whether I should buy a particular stock?

    Understand the significance of the bid-ask spread for investors in making a decision on whether or not to purchase a particular ... Read Answer >>
  4. What types of stocks have a small difference between bid and ask prices?

    Learn more about bid-ask spreads and why stocks with high levels of liquidity and low levels of volatility usually have narrow ... Read Answer >>
  5. What does the variance between the bid and ask price of a stock mean?

    Find out how stocks are traded in the market, why the bid and ask prices are different and why the bid-ask spread is smallest ... Read Answer >>
  6. What types of stocks have a large difference between bid and ask prices?

    Find out which factors influence bid-ask spread width. Learn why some stocks have large spreads between bid and ask prices, ... Read Answer >>
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