CBS’ Ratings Deal With Nielsen Expires, Complicating Network's Advertising Buys

Measurement company estimates the move could impact $500 million in ad revenue

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A day and a half after CBS and Nielsen’s contract expired, the companies still haven’t agreed on a new deal—and buyers told Adweek they are trying to determine how the dispute will affect their current ad inventory on the network.

CBS and Nielsen have been negotiating for six months on a new contract, but failed to come to an agreement before the current one expired on Dec. 31. That means that CBS no longer has access to current or historical data from the measurement company—the very metrics that much of its advertising inventory has been sold on.




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