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.

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