Market Structure and Reported Trading Volume: NASDAQ Versus the NYSE

J. OF FINANCIAL RESEARCH

Posted: 12 Mar 1997

See all articles by Allen B. Atkins

Allen B. Atkins

Northern Arizona University - Department of Finance; University of Arizona

Edward Alexander Dyl

University of Arizona

Abstract

Trading volume for common stocks is of interest to financial economists, investors, and securities lawyers. NASDAQ is a dealer market where trades with dealers are included in reported trading volume. This procedure does not accurately measure the volume of trading by public buyers and sellers. Trading volume reported on the New York Stock Exchange (NYSE), which is primarily an auction market, provides a much closer measure of trades by public investors. We examine a sample of firms whose stock traded on the NASDAQ National Market System (NMS)and subsequently on the NYSE. When trading switches to the NYSE, the firms' trading volumes drop to about 50 percent of the volume previously reported on NASDAQ. A control group of firms that switch from the American Stock Exchange (AMEX) to the NYSE shows a small, but statistically insignificant, increase in trading volume.

JEL Classification: G14

Suggested Citation

Atkins, Allen B. and Dyl, Edward A., Market Structure and Reported Trading Volume: NASDAQ Versus the NYSE. J. OF FINANCIAL RESEARCH, Available at SSRN: https://ssrn.com/abstract=8177

Allen B. Atkins (Contact Author)

Northern Arizona University - Department of Finance

University of Arizona ( email )

Department of History
Tucson, AZ 85721
United States

Edward A. Dyl

University of Arizona ( email )

Department of Finance
Tucson, AZ 85721
United States
520-621-9534 (Phone)
520-621-1261 (Fax)

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