Why Amazon Ad Reports Stopped Matching Real Sales
If you run paid campaigns on Amazon, you have probably noticed something strange this year. The ad dashboard says one thing. Seller Central says another. The gap has been widening for months, and no amount of creative testing or bid tweaking closes it. You are not imagining it. You are not alone, either. The Pattern Most Teams Miss The conversation usually goes the same way. Marketing blames creative fatigue. Creative blames the algorithm. The algorithm gets blamed for everything. Meanwhile, the actual leak is sitting inside a tool nobody on the team really owns — the cookie consent banner on your website. What Quietly Changed in 2026 Amazon now only fully trusts user consent when it arrives through its official path, called the Amazon Consent Signal (ACS). Cookie tools that were not certified by Amazon often send hardcoded or incomplete signals. Amazon then defaults to restricted tracking, and large pieces of your campaign data quietly fall away. The sales still happen. The dashb...