Global Amazon Media Q3 & Prime Big Deal Days: Benchmarks & Trends

With Prime Big Deal Days wrapped up, we’re officially in the busiest and most competitive shopping period of the year. For Amazon sellers and marketers, Q4 means one thing: it’s heads down from here on out.

This is the stretch where every click, conversion, and campaign counts. While Prime Big Deal Days didn’t hit the highs of July’s Prime Day, it still delivered solid momentum leading into peak season. At the same time, it offered valuable signals about what’s working, what’s changing, and where to double down.

Our latest Global Amazon Media Q3 2025 Report unpacks performance across major Amazon markets in the lead-up to and during Prime Big Deal Days. It covers key trends in Amazon advertising, including shifts in cost-per-click (CPC), conversion rates, and ad efficiency, all of which are shaping global performance for brands.

Key Takeaways from the Report

• Mexico Offers the Lowest CPCs: Mexico continues to offer the lowest cost-per-click globally, with discounts of up to 65%. This trend held true during PBDD, though it comes with lower conversion rates compared to other major markets
• Australia and Germany Lead in Sales Efficiency: These two markets consistently achieve the highest sales-per-click (SPC) rates. Australia, in particular, has maintained its top performance for six consecutive quarters.
• UK Still #1 in Conversions: For the fourth quarter in a row, the UK holds the highest Sponsored Ads conversion rates worldwide. The UK also led conversions during Prime Big Deal Days, alongside European markets like Germany and Italy.
• Prime Big Deal Days Show Growth but Fall Behind July Prime Event: Prime Big Deal Days continues to grow year-over-year in sales, clicks, and ad spend. However, overall sales remained 44% lower than the July Prime Day event.
• Sponsored Ads Outperform DSP: Sponsored Ads delivered stronger year-over-year growth than DSP. Click traffic and spend for Sponsored Ads rose 25% and 26% respectively, compared to only modest gains for DSP.
  

Why This Matters

These Q3 performance metrics are more than just numbers. Instead, they serve as a preview of what’s to come in Q4. Understanding where efficiencies, costs, and conversions are shifting allows you to anticipate market dynamics and position your brand for maximum impact during the peak holiday shopping season.

Get the Full Report

Ready to get the insights and benchmarks you need to power your Q4 and 2026 strategy? Download the full Global Amazon Media Q3 2025 with Prime Big Deal Days Recap Report:

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