A pricing-mechanism dispute with billions at issue—and nothing yet decided
On August 31, 2026, the Federal Trade Commission and 22 states sued Amazon in federal court in Washington. The complaint alleges Amazon had described Sponsored Ads as generalized second-price auctions but increasingly used an internal “soft reserve” or “proxy second price” that could raise a click price above the competition-generated result, without exceeding the advertiser’s maximum bid. U.S. District Court filing via FTC
The government estimates roughly 1.2 million U.S. advertising customers may have been affected, including more than 500,000 small and medium-sized businesses. That estimate does not mean 1.2 million advertisers are eligible for compensation; no eligibility rules or recovery process exist. Federal Trade Commission
Amazon denies wrongdoing. It says relevance—not the raw highest bid—plays a central role, reserve pricing is ordinary, advertisers understood bids as maximum CPCs, and its system delivered better advertiser outcomes. Amazon
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