One-Sided Market

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DEFINITION of 'One-Sided Market'

When the market for a security only shows either one bid or one ask.

INVESTOPEDIA EXPLAINS 'One-Sided Market'

Market makers are required to maintain a two-sided market where both a bid and an ask price are shown to investors.

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RELATED FAQS
  1. 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 ...
  2. What do the "BxA" numbers on my brokerage's trading screen mean?

    The letters 'B' and 'A' in the notation BxA refer to bid and ask, respectively. When you look at online stock quote data, ...
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