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An Introduction to Trading In the Financial Markets: Technology: Systems, Data, and Networks by R. Tee Williams

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3

Sources

Firms in the financial markets both depend on and produce many different types of information (see Figure 2.3). In this chapter we examine the major producers of information used in the markets.

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Figure 2.3 Data sources are the places within the trading markets where data is produced for use by others.

Trading venues

Exchanges and other trading venues are the dominant source of last-sale information and a major source of quotes. In many markets, trading venues are required to make trade and quote information available, and increased transparency is a clear objective of regulators who believe widely available information makes markets ...

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