Newly unredacted records in the FTC’s case against Amazon for rigging its ad market reveal that Amazon secretly raised advertising prices by as much as 50% above auction results on ordinary days and by as much as 250% on major shopping days like Prime Day or Black Friday. During the 2022 holiday shopping season, Amazon secretly and successfully raised its surcharges to increase its revenue by $87 million worldwide.

Updated complaint: https://www.ftc.gov/system/files/ftc_gov/pdf/Amazon-Redacted...