Private Deal
The term Private Deal or Automated Guaranteed is used in programmatic advertising, when an advertiser buys media from a publisher at a predefined price, volume and targeting.
The main difference between an Unreserved Fixed Rate, which is also called Preferred Deal, is that for a private deal the volume is guaranteed. So, a private deal is nothing less than buying a guaranted volume of media at a predefined bid on a programmatic platform whereas a preferred deal is buying an uncertain chunk of media at a fixed rate. The volume can vary due to high or low competition.