Understanding the Market for U.S. Equity Market Data

Charles Jones of the Columbia Business School writes: “A stock exchange facilitates share trading, in large part by developing computer systems, rules, and processes that allow buyers and sellers to submit orders, trade with each other, and determine a market price for shares listed on those exchanges.  In the current market environment, this results in a vast amount of data, which market participants of all types rely on to make investment and trading decisions. Exchanges provide some of this market data to market participants at prices that vary depending on the type of data as well as how the data is used.”

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