{"rewrite":{"id":"r_dff0935783a6f1ff4f6c30bb","clusterId":"c_feaa16e669393c684fcc095a","slug":"ftc-and-22-states-sue-amazon-over-hidden-ad-auction-surcharge","model":"deepseek-v4-flash","headline":"FTC and 22 States Sue Amazon over Hidden Ad Auction Surcharge","summary":"The FTC and 22 state attorneys general filed suit against Amazon, alleging the company secretly inflated ad auction prices and may have defrauded advertisers of $20 billion or more. The complaint says Amazon changed auction rules without notice starting in 2019, adding a hidden \"soft reserve\" surcharge on top of the published second-price auction. Amazon calls the claims \"clearly wrong\" and says it harmed no one.","whyItMatters":"The suit targets the auction mechanism itself, arguing the second-price auction advertisers were told about was not what they got, and the hidden surcharge meant the price was set by Amazon rather than by the market.","webCardHtml":"\u003cp\u003eThe complaint quotes an Amazon Ads executive saying the price advertisers paid was \u0026#34;not determined by actual bidders, but a fictitious second price calculated by Amazon.\u0026#34; A separate document cited in the suit shows Amazon used fictitious auction participants to push prices up, and an employee said the surcharge produced prices \u0026#34;beyond what competition among advertisers could achieve.\u0026#34;\u003c/p\u003e\u003cp\u003eAmazon kept the changes hidden, raising the surcharge gradually so the inflation would not draw attention. For Sponsored Products ads, the share of advertisers paying the full winning bid grew from 30 to 40 percent in 2021 to roughly 80 percent in 2024.\u003c/p\u003e","blueskyPost":"The FTC and 22 states are suing Amazon, alleging it hid a surcharge in its ad auctions and may have taken $20 billion or more from advertisers. The complaint quotes an Amazon Ads executive saying the price was set by a \"fictitious second price.\" Amazon calls the claims \"clearly wrong.\"","twitterPost":"The FTC and 22 states are suing Amazon over a hidden ad auction surcharge, alleging advertisers may have overpaid by $20 billion or more. The complaint says Amazon added a secret \"soft reserve\" fee on top of its second-price auction since 2019. Amazon denies it.","threadsPost":null,"newsletterBlurb":"The FTC and 22 states filed suit against Amazon, alleging the company hid a surcharge in its ad auctions and may have taken $20 billion or more from advertisers. The complaint says Amazon added a secret \"soft reserve\" fee on top of its published second-price auction since 2019. Amazon calls the claims \"clearly wrong.\"","attributionJson":"[{\"source\":\"GIGAZINE\",\"url\":\"https://gigazine.net/news/20260901-ftc-sues-amazon/\",\"title\":\"FTC and 22 States Sue Amazon Over Inflated Ad Auction Prices, Possibly Overcharging 3 Trillion Yen\"}]","lintFlagsJson":null,"lintHits":0,"costUsd":0,"inputTokens":5872,"outputTokens":4410,"status":"published","repairAttempts":0,"nextRepairAt":null,"factsAttemptedAt":1788349237,"createdAt":"2026-09-02T11:27:46.000Z","publishedAt":"2026-09-02T11:32:22.000Z","updatedAt":"2026-09-02T11:32:22.000Z"},"cluster":{"id":"c_feaa16e669393c684fcc095a","canonicalTitle":"連邦取引委員会と22州がAmazonを提訴、広告枠オークションの落札額を水増しして3兆円を過大請求した可能性あり","representativeArticleId":"a_c5f07268a7b8fdb962cdcb30","sourceCount":1,"writtenSourceCount":1,"writeAttempts":0,"isSolo":true,"entitiesJson":"{\"anime_titles\":[],\"manga_titles\":[],\"work_titles\":[],\"studios\":[],\"people\":[],\"type\":\"business\",\"domain\":\"industry\",\"is_roundup\":false}","contentType":"news","status":"published","firstSeenAt":"2026-09-01T03:30:00.000Z","lastSeenAt":"2026-09-01T03:30:00.000Z","updatedAt":"2026-09-02T11:32:24.000Z"},"attribution":[{"source":"GIGAZINE","url":"https://gigazine.net/news/20260901-ftc-sues-amazon/","title":"連邦取引委員会と22州がAmazonを提訴、広告枠オークションの落札額を水増しして3兆円を過大請求した可能性あり"}],"entities":{"anime_titles":[],"manga_titles":[],"work_titles":[],"studios":[],"people":[],"type":"business","domain":"industry","is_roundup":false},"keyFacts":null}