Sum of a Custom Database's Field

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.

Technical Analysis

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Fundamental Analysis

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