Overview

Amazon Demand Side Platform (DSP) has evolved from an enterprise-only tool into a viable growth engine for mid-sized brands. Sellers spending between $7,000 and $10,000 monthly on advertising can now leverage programmatic buying to lower acquisition costs and reach customers outside of traditional search results.

Key Points

• Minimum Spend Threshold — A monthly investment of $7,000 to $10,000, or roughly $100,000 per year, is required to provide the algorithm with sufficient data to exit the initial learning phase.
• CPC Cost Shift — By the first quarter of 2026, the cost-per-click for DSP dropped below the average CPC for Sponsored Products for the first time in five years.
• Rising CPM Trends — Average CPMs across the platform climbed by 47.46% throughout 2025, reaching an average of $7.82, which necessitates a more diversified advertising approach.
• Increased Market Share — The portion of total Amazon ad spend allocated to DSP grew from 17.7% to 23.4% over the previous year.
• Video Performance — DSP video campaigns are currently delivering an average Return on Ad Spend (ROAS) of 2.4x, specifically when targeting warm audiences.
• Seasonal Cost Variance — Ad costs fluctuate by month, with October typically being the most cost-effective and January the most expensive, resulting in a 4.5-point variance in ACoS.

What's Changing

The transition from a search-centric strategy to a programmatic one shifts the goal from capturing existing intent to actively generating new demand.

1. Targeting Methodology — Sellers move from bidding on specific keywords to targeting behavioral patterns, such as a customer who viewed a specific coffee maker three times in one week without purchasing.
2. Ad Placement Expansion — Visibility extends beyond the Amazon search results page to include Amazon-owned properties and third-party websites, such as placing a skincare serum banner on a beauty-focused blog.
3. Optimization Timelines — The focus shifts from making daily bid adjustments to observing a long-term learning window, analyzing conversion patterns over 90 days instead of a standard 7-day window.