Interdealer Quotation System

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DEFINITION of 'Interdealer Quotation System'

The exchange system comprised of the Nasdaq (National Association of Securities Dealers Automatic Quotation), Nasdaq small-cap market and the Over-the-Counter Bulletin Board (OTCBB) exchange platforms.

INVESTOPEDIA EXPLAINS 'Interdealer Quotation System'

The Interdealer Quotation System gives investors access to literally thousands of publicly traded companies, from mega-cap names such as Microsoft right down to the smallest of the small-cap stocks.

RELATED TERMS
  1. Nasdaq

    A global electronic marketplace for buying and selling securities, ...
  2. Over-The-Counter - OTC

    A security traded in some context other than on a formal exchange ...
  3. Listed Security

    A financial instrument that is traded through an exchange, such ...
  4. Over-The-Counter Bulletin Board ...

    A regulated electronic trading service offered by the National ...
  5. Market Capitalization

    The total dollar market value of all of a company's outstanding ...
  6. National Association Of Securities ...

    The NASD was a self-regulatory organization of the securities ...
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