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Amazon Ad Revenue Growth Decelerates Amid Prime Day Timing Shifts

Strategic scheduling changes and lack of NBA content impact Amazon's advertising performance in Q3.

Marketing Dive2 min

1Q3 Revenue Growth Deceleration

Amazon reported advertising revenue of $19.6 billion in Q3, representing a 12% year-over-year increase. This figure marks a significant slowdown compared to the 22% growth observed in the same period last year and the 26% growth recorded in Q2 2026. Consequently, the company's stock price declined following the earnings report release.

2Prime Day Timing Anomalies

The primary driver for the revenue shortfall was the strategic decision to shift Prime Day from July to June. This timing anomaly disrupted the expected quarterly windfall, moving significant transaction volume out of the third quarter. Executives noted that this calendar adjustment directly impacted the comparative performance metrics against previous fiscal years.

3Impact of Programming Gaps

The absence of NBA content on Prime Video during Q3 further constrained advertising momentum. While Q2 and Q4 feature professional basketball programming, the third quarter lacks these high-traffic events. This scheduling gap reduced the platform's ability to attract and monetize viewers, contributing to the overall deceleration in ad segment growth.

4Search Marketing Program Maturity

Amazon faced difficult year-over-year comparisons due to previous overhauls in its search marketing programs. In the prior year, these changes significantly enhanced the platform's ability to monetize traffic at higher rates. Lapping these successful optimizations made it challenging for the advertising segment to maintain the same aggressive growth trajectory during Q3.

5AI Agent Market Disruption

Despite the rise of consumer-facing AI shopping agents, Amazon maintains that these tools are not currently disrupting its advertising business. CEO Andy Jassy stated that few customers utilize external agents for shopping, as the user experience remains inferior to direct retailer interaction. Amazon has actively blocked external agents like Meta’s Muse.

6Internal AI Advertising Tools

Amazon is actively developing its own AI capabilities, specifically the Ads Agent, to assist marketers in campaign management. Launched in September, this tool now features full-funnel capabilities, allowing for the unification of sponsored ads, display, video, and streaming TV. This initiative aims to optimize campaign parameters like budget and duration automatically.

7Broader Tech Industry Trends

Amazon’s performance reflects a wider trend among digital ad platforms, as Google also reported slowdowns in search and YouTube services. The industry is currently under pressure to justify massive capital expenditures on AI infrastructure. Amazon reported $75.9 billion in capital expenditures and a negative free cash flow of $42.4 billion this quarter.

8Q4 Growth Projections

Looking ahead, Amazon forecasts advertising revenue growth in the high teens for Q4. While this period includes critical holiday shopping, the projected growth remains lower than the 22% recorded in the same period last year. The company continues to navigate these shifting market dynamics while balancing heavy investments in artificial intelligence technology.

Original article: Marketing Dive — Amazon Ad Revenue Growth Decelerates Amid Prime Day Timing Shifts