The indlist file holds all of the symbols sorted by the security category. If a security is removed by a stock exchange or added by an exchange then it is desirable to remove/add the ticker from/to the list.
To modify the indlist file, change to the ~/correlation/source directory and use an editor to add or remove the security ticker and category name in the file.
The following shows a portion of an indlist file. The ticker name is followed by the security category name:

