RE: Relationship Analytics - Frequency
Hello Carl,
Thank you for writing to us. I had a check through available documentation however it seems we don’t have any as of now . When the relationship module is enabled for the first time depending upon the various sets of data you have it will look to immediately start showing up the insights . There is no such update frequency
However sometimes we may not see insights due to insufficient data like to view relationship Analytics for Opportunities we have the below limitation .

On an ideal expectation the insights should be available every couple of hours depending if there is necessary data to share insights upon. At the maximum the update frequency period can be taken to be 24 hours .
However if you expect certain insights to be shown and it has already crossed the 24 hour time period then I suggest you to please open a support request so that we can investigate and find possible causes
Please mark my answer as verified if you found it helpful. Please let me know if you have any other questions around the above.
Bhartendu Pandey
Support Engineer - Customer Engagement- Dynamics CRM/PowerApps/Power Automate
Microsoft