Price system (stock exchange)

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A rate system is a system ( program ) that displays or delivers stock exchange rates . The prices can be delivered in real time (without delay) or with a delay. When the data is delivered without delay, one speaks of a real-time rate system (also called a real-time rate system).

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A price system usually offers a graphical user interface with price lists in which the price data of several securities are displayed. B. inter alia the name, security identification number and other identification data (z. B. the ISIN ), the last price with the associated turnover, the daily turnover, the bid and ask prices with the associated volumes and the time. In addition, news, charts and market depth relevant to securities can be displayed. Functionalities of a trading system are partially integrated so that one can also trade via the exchange rate system.

In addition, many course systems offer the possibility that other programs can access the data; a classic example is an Excel table that can display course data that is updated using the DDE protocol .