This calculated field returns the highest value of a specific custom field among all linked issues.
In this example, the Story Points are returned. The Story points are stored in another custom field called Story Points.
Create a new Calculated Text Field (by JWT) custom field and name it properly.
Providing a description will help you to identify what the custom field does but this step is optional
Select Advanced text as parsing mode.
Add the field to the relevant view screens.
Remember: All calculated fields are read-only and cannot be manually updated on a create or edit screen.
Check the results
Once configured and added to an issue screen, the result will look like this: