Amazon Sponsored Product Ads now feature a beta option under rule-based bidding called "Automatically optimizing ROAS within the campaign budget." This option appears to allow Amazon's algorithm to adjust bids dynamically throughout the day to maximize Return on Ad Spend (ROAS) while fully utilizing the set daily budget. There is no specified ROAS target or minimum floor; the platform independently determines what "optimized" means. The author expresses skepticism about the platform controlling both bidding and spending but plans to test this feature and share results.










