O'Reilly logo

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

Stay ahead with the world's most comprehensive technology and business learning platform.

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, tutorials, and more.

Start Free Trial

No credit card required

4

Events

As we defined them in the Background section, events are external happenings that an entity must react to but that are not controlled by the entity (see Figure 1.4).

image

Figure 1.4 Systems in the trading markets must handle events occurring outside the firm that affect accounts and holdings.

Accounts

When money is put into an account or paid out, the overall value of the portfolio changes by the amount of the infusion or payment, changing the overall value of the portfolio. Less commonly, assets can be contributed to a portfolio or removed from the portfolio directly. These are the only types of transactions that change the value of a portfolio ...

With Safari, you learn the way you learn best. Get unlimited access to videos, live online training, learning paths, books, interactive tutorials, and more.

Start Free Trial

No credit card required