What you should about stock market data


Market data refers to all financial data and applications provided by external suppliers and used in business cycle management (decision-making, risk management through reporting and of course the portfolio valuation/book) . These data can be of several types:

data pricing : price of a listed or OTC range of bid / ask , calculated price, yield curve ,

Features: issuer rating , coding , etc …

securities transaction : detachment dividend date of the next coupon, etc …

Modes of dissemination

There are several modes of dissemination, as well as different levels of accessibility :

flow : the flow of data – from the supplier to the client application – it directly flows without viewing before integration into the tool concerned. The data is then reworked and accessible;

terminal: the data is directly accessible and searchable via interface ( order book , graphical analysis , time & sales) . Some devices also allow download in Excel searchable data, in agreement with past contracts with suppliers ;

reference applications: real point of entry and single output data in the CIB, Asset Managers and Asset Services companies , the application ” Repository ” is intended for redistribution mastered and optimized data used in operating the business . Data – from multiple vendors is processed and stored in the repository only, and disseminated to applications of the entity.

Production data

Starting point of the life cycle of markets datas, the creation and dissemination of original raw data provided by non-integrating suppliers. The routing and aggregation of content is provided by intermediaries: the vendors .

Intermediate : routing data and content aggregation

Among the most famous vendors, Bloomberg, Sungard or Telekurs companies have aggregation of multiple and diverse systems as well as general content routing solutions, and are generally referenced in the majority of consumer societies.

Other vendors opt for a strategy of specialization to a limited number of trades ( software setting of the Value at Risk … ) or meet a specific need in particular ( modeling data set for back-testing, providing software tools for graphical analysis, etc. . ) .

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