Consumer brands are reconsidering their participation in Amazon's Prime Day due to shrinking profit margins and rising competition from Walmart [1].
This shift signals a potential change in the e-commerce landscape. As the two largest retailers in the U.S. clash over the same shopping window, brands must decide if the high volume of sales justifies the loss of profitability.
Amazon's events have reached record scales, but the cost of participation is weighing on sellers. Temilola Agbede said that even while consumer spending hit $26.4 billion [1], shrinking brand margins pose a challenge.
Adding to the pressure is the strategic move by Walmart to challenge Amazon's dominance. Walmart announced the return of its Walmart Deals, an annual weeklong sales event [2], and has positioned these dates to overlap with Prime Day [3].
This overlap creates a fragmented environment for consumer brands. Companies that previously relied on Prime Day for a massive spike in visibility now find themselves fighting a two-front war for consumer attention, and budget, across two different platforms.
Retailers are now weighing the trade-offs between the massive reach of Amazon's ecosystem and the stability of their own margins. The pressure to offer deep discounts to remain competitive during these overlapping events can erode the financial viability of smaller brands.
While the sheer volume of spending remains high, the cost of customer acquisition and the requirement for aggressive discounting have made the event less attractive for some. Brands are increasingly looking for ways to maintain their value without relying solely on the high-pressure environment of a single-week sale.
“Shrinking brand margins pose a challenge.”
The alignment of Walmart's sales events with Amazon's Prime Day transforms a singular shopping peak into a broader retail battle. For brands, this means the 'Prime Day effect' is diluted, forcing them to choose between competing on price across multiple platforms or diversifying their sales strategies to protect their profit margins.



