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Sum of a Custom Database's Field

by QuantShare, 2214 days ago
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The built-in "GetData" function allows you to retrieve data from a custom database (fundamental, news, sentiment, put/call ratio...). It gets data for the last field's value that occurred during each trading bar.

Imagine you have a volume field (daily data) and you want to display the volume's sum in a monthly chart.
Using the "GetData" function you can get only the last volume value that occurred at the end of the each month.

Example: (Assuming you have a custom database called "my_custom_database" and a field whose name is "volume"
a = GetData("my_custom_database", "volume", LastData);

In order to get the volume's sum for each month, you can use the current function to do so. Simply type:

a = GetDataSum("my_custom_database", "volume", "");

The last volume can be used to get data for an external symbol. If this field is empty then the current analyzed symbol is used.


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Type: Trading Indicator

Object ID: 1366


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Trading financial instruments, including foreign exchange on margin, carries a high level of risk and is not suitable for all investors. The high degree of leverage can work against you as well as for you. Before deciding to invest in financial instruments or foreign exchange you should carefully consider your investment objectives, level of experience, and risk appetite. The possibility exists that you could sustain a loss of some or all of your initial investment and therefore you should not invest money that you cannot afford to lose. You should be aware of all the risks associated with trading and seek advice from an independent financial advisor if you have any doubts.