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Revoke CMC connection with Sharesight
Revoking access to CMC and Sharesight will sever the connect between Sharesight and CMC. This will stop your CMC trades being automatically populated in Sharesight. It will not delete any holdings, you will need to manually do this if you wish.
1 — To revoke on Sharesight: In Sharesight click on Account from top right corner of the screen.
2 — Select Sharesight API from the drop down menu.
3 — Click the ‘Revoke’ link in the ‘Action’ column for CMC Markets Stockbroking.

4 — Click on 'Are You Sure?' button to delete the API connection to CMC on Sharesight end.
5 — Contact CMC and ask their customer support to revoke the connection with Sharesight on CMC's end.
To reconnect the CMC Sharesight Connect to a Sharesight portfolio.
Last updated 12th November 2025