After you’ve finished pulling reporting, you can optimize by shutting off an exchange through your Inventory Sources.
1. To shut off an exchange, navigate to Insertion Orders (second tab) once you’re clicked into your Campaign.
2. Click through to the appropriate IO, which will bring you to your Line Items. Click into the appropriate Line Item you would like to adjust.
3. Scroll down to Inventory Sources, where you will find the Public Inventory section. This will house all of exchanges in your targeting:
4. Once you click into public inventory, simply uncheck the exchange you would like to remove and hit Apply!