We Tracked 5 Years of Prime Day Data… Here's What Actually Works

Prime Day 2025 is here (8–11 July), and we’ve got something special for you.Every year, like clockwork, we at Ad Badger dig deep into the data, dust off our best strategies, and sharpen our PPC claws for what’s basically the Super Bowl of Amazon selling. This year? We’ve packed everything we’ve learned since 2018 into one mega-episode—stories, missteps, wins, surprises, and a few controversial takes.We talk about what actually happens to conversion rates, why ACoS drops while spend goes up, and how Prime Day isn’t just about the 48 hours—it’s about the before and after. You’ll hear about the exact moment one seller realized their campaigns were cannibalizing their own keywords. And why another seller got better results by doing... absolutely nothing.We’ll see you in The PPC Den!🦡 Highlights ​​0:00 – Conversion rates jump on Prime Day (2018 data)1:53 – Prime Day duration increased from 36 to 48 hours over the years5:03 – Clicks surge by about 70% on Prime Day6:11 – Sales increase by 130% on Prime Day7:54 – Average daily ad spend rises by 78% on Prime Day8:40 – ACoS (Advertising Cost of Sale) drops from 31% to 25% on Prime Day12:57 – Recommended to increase budgets 2–3x on Prime Day, tapering up 1.5–2.5x in days leading up14:04 – Increase bids by 10% across the board; 50–100% on top-converting products17:39 – Huge conversion rate increase (~35%) during Prime Day, worth aggressive budget scaling27:43 – Strategy to aggressively target customers pre-, during, and post-Prime Day for max impact🦡 Resources & Links🦡 GET AD BADGER ➡️ Find Michael Erickson Facchin — Ad Badger’s CEO and soul, PPC whisperer, and your go-to guide through the wild world of Amazon advertisingA Data-Oriented Approach to Amazon Prime Day AdvertisingThe No-Hype, All Data Approach to Prime Day PPCPrime Day Preparation: Capitalizing on the Most Important Days of the YearYour Guide to Amazon Prime Day 2021How Do I Make the Most of Prime Day 2023 as an Amazon PPC-er?When Is Prime Day 2025? Everything You Need to Know📚 Unlock our FREE comprehensive Amazon Marketing PlaybookSubscribe to our newsletterTransform your workflow with our comprehensive Amazon Advertising checklistReview all our show notes-Host and Executive Producer: Michael Erickson FacchinSenior Producer: Nancy Lili GonzalezPodcast Coordinator & Graphic Designer: Sofiia PodashVideo and Audio Editor: Pedro Moreno