It’s not a sprint—it’s a four-day ecommerce siege. Prime Day 2025 demands strategy, stamina, and real-time command.
Prime Day’s first 24 hours shattered expectations—and kicked off a four-day ecommerce gauntlet that retailers can’t ignore.
Amazon Prime Day hits $7.9B in U.S. online sales
U.S. ecommerce raked in $7.9 billion in the first 24 hours (July 8) of Amazon’s extended Prime Day—making it the biggest online sales day of 2025 so far and up 9.9% YoY—though Amazon hasn’t revealed its own platform-specific figures .
Those figures eclipse Thanksgiving 2024’s $6.1B and underscores an industry-wide participation, not just Amazon’s performance .
Sales drop 41% for day-one?
Momentum Commerce reports a 41% drop in Amazon’s own first-day sales vs. 2024’s shorter event . Amazon contested that, saying Momentum lacks full visibility . Their CEO suggests shoppers are cart-stuffing and waiting, thanks to the longer sale window. Meanwhile, Amazon VP Jamil Ghani says brand engagement is strong, and extensions like 50%+ deals are performing.
Operators, timezone: think Black Friday—not sprint
Adobe projects a record $23.8B in U.S. online spend from July 8–11—nearly 28% YoY growth and equivalent to two Black Fridays combined . Mobile drives over 50% of sales, with BNPL usage up 13.6% and generative‑AI referrals exploding—3,200% YoY from last summer.
Everyone’s joining the sales war
Not just Amazon—Walmart launched a six‑day “Walmart Deals” with no membership needed and Store + online sync, while Target, Best Buy, Kohl’s, Nordstrom Rack, Wayfair and Home Depot all rolled out concurrent events .
Walmart even slashed Walmart+ by 50% to $49/year and offered early access starting July 7—adding fuel to the sale-day free-for-all.
What operators need to know
- Amazon sellers: Treat this like Black Friday stretched over four days. Stock, ads, logistics, and promos need to perform nonstop.
- Walmart & Target sellers: These platforms are leaning harder into ecommerce—Walmart’s 20% annual growth makes its event legit.
- DTC brands: Watch Buy with Prime off-platform deals. Getting a cut of that web-native purchase funnel could be a game-changer.
Final take
Prime Day has morphed into a four-day ecommerce battlefield—a clash of giants, a test of consumer stamina, and a wringer for operations. If your playbook is still based on short sprints, you’re toast.
So what’s the move? Dial in your supply chain, stretch your ad fuel across days, activate your AI tools, and prepare for a summer sales disruption that’s just getting warmed up.
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