Economics of the Stock Exchange Business: Proprietary Market Data

17 Pages Posted: 4 Mar 2020

Date Written: January 10, 2020

Abstract

The price of proprietary market data, data with low latency and with complete depth of book, sold by exchanges has risen dramatically in the previous decade. In fact, in October, 2018, the SEC failed to approve a requests by NASDAQ and NYSE-ARCA to raise the price of their data. The paper conceptually analyzes the nature of the demand for proprietary data and concludes that, for a significant part of the market, data from different exchanges are complementary--buying NASDAQ proprietary data increases the usefulness of NYSE-ARCA data. As a consequence, we should not expect competition between the 13 exchanges to constrain prices. This is in contrast to net trading fees, which are driven by competition to reasonable levels.

Keywords: Stock Exchange competition, proprietary data

JEL Classification: G18, G23

Suggested Citation

Glosten, Lawrence R., Economics of the Stock Exchange Business: Proprietary Market Data (January 10, 2020). Available at SSRN: https://ssrn.com/abstract=3533525 or http://dx.doi.org/10.2139/ssrn.3533525

Lawrence R. Glosten (Contact Author)

Columbia University ( email )

3022 Broadway
New York, NY 10027
United States

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