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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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5

Functions

Here, we return to the functions defined in Book 1, Part 4, to explain some of the major ways that data is used. We examine the same buy- and sell-side functions we used in Part 1 to understand systems. The functions on the buy and sell sides both consume and produce data (see Figure 2.5).

image

Figure 2.5 Functions require information to satisfy the different activities they each undertake in the trading markets.

Moreover, this data is frequently accessed through the information stores introduced in the Background section. Therefore, we look at the information consumed and produced by each function from both internal and external sources. ...

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