The U.S. Federal Trade Commission, joined by 22 states, has sued Amazon.com, Inc. (NASDAQ:AMZN) over allegations that the company secretly inflated prices in its advertising auctions for more than seven years. The FTC alleges that Amazon used an undisclosed “soft reserve price” to raise the amount advertisers paid above what competitive bidding would have produced.
According to the complaint, the practice affected more than one million brands and sellers and may have generated tens of billions of dollars in additional revenue for Amazon. The FTC also alleges that the pricing changes became increasingly aggressive, with advertisers paying their own bids roughly 80% of the time for Sponsored Products by 2024.
Amazon.com, Inc. (NASDAQ:AMZN) disputes the allegations, arguing that the FTC misunderstands how its advertising auctions work and that its pricing practices improve ad relevance and value for advertisers.
Photo by Bryan Angelo on Unsplash
Bull Case
The biggest positive for Amazon.com, Inc. (NASDAQ:AMZN) is that the lawsuit does not immediately undermine the underlying strength of its advertising business. Amazon generated about $68 billion in advertising revenue in 2025, making advertising an increasingly important and high-margin contributor to the company’s overall profitability.
Even if Amazon ultimately has to modify its auction practices, the company could retain a substantial advertising business because sellers depend heavily on Amazon’s platform to reach shoppers. Its enormous customer base, shopping intent data, and marketplace scale make Amazon’s advertising ecosystem difficult for merchants to replace.
There is also a meaningful difference between a lawsuit and an adverse final judgment. Amazon.com, Inc. (NASDAQ:AMZN) can challenge the FTC’s allegations, negotiate a settlement, or modify its advertising practices without fundamentally changing the economics of the business. The company also maintains that advertisers never pay more than their bids and that its auction system is designed to improve the value and relevance of advertising.
From an investor perspective, the market reaction could also prove temporary if the eventual financial penalties are manageable relative to Amazon’s cash generation and advertising scale.
Bear Case
The biggest concern is that the allegations directly target one of Amazon.com, Inc. (NASDAQ:AMZN)’s fastest-growing and most profitable businesses. If regulators succeed in forcing Amazon to eliminate the alleged surcharge mechanism, advertising revenue growth and margins could come under pressure.
The potential financial exposure is also significant. The FTC alleges that Amazon extracted tens of billions of dollars from advertisers, while the states could seek penalties and restitution. Even if Amazon does not ultimately pay anything close to the amount alleged, the size of the claim highlights the potential magnitude of the regulatory risk.
More importantly, the case could have a longer-term impact on advertiser behavior. If Amazon is required to make its auction mechanics more transparent, advertisers may adjust their bidding strategies and become more price-sensitive. That could reduce the amount Amazon is able to capture from each advertising transaction.
The lawsuit also adds to an already significant regulatory burden. Amazon.com, Inc. (NASDAQ:AMZN) has faced other major FTC actions, including a $2.5 billion settlement in 2025 related to its Prime subscription practices, while its broader antitrust case remains outstanding. The accumulation of regulatory cases increases the risk that Amazon will face restrictions across multiple parts of its business rather than dealing with this lawsuit in isolation.
Conclusion
The lawsuit is a near-term negative for Amazon.com, Inc. (NASDAQ:AMZN), particularly because it targets the company’s highly profitable advertising engine. The potential financial liability and risk of lower advertising monetization could pressure earnings if the FTC’s allegations are ultimately upheld.
That said, the case does not fundamentally threaten Amazon’s core retail, marketplace, or AWS businesses. Amazon’s scale, customer traffic and seller dependence provide significant protection for its advertising franchise. Overall, the biggest risk is not the lawsuit’s headline penalty but the possibility that regulatory action permanently reduces the amount Amazon can monetize from its advertising ecosystem. If Amazon can defend its auction practices or resolve the case without major changes to its advertising economics, the stock could recover from the initial pressure. If regulators force substantial pricing and transparency changes, the impact on Amazon’s long-term margin expansion could be more meaningful.
READ NEXT: Hims & Hers’ Australia Expansion Adds Growth, But Execution Will Be Key and Cheniere Energy: Corpus Christi Expansion Strengthens Its LNG Growth Outlook
Disclosure: None. This article is originally published at Insider Monkey.
Hedge Fund Resource Center