Get the comprehensive 80-page report on Amazon Prime Big Deal Days. This October sales event delivered mixed results across categories, with revenue remaining elevated despite moderating growth. Rising advertising costs, inventory challenges and shifting consumer behavior defined the event. We break down performance by category to help you understand what worked and what needs adjustment for future events.
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Key takeaways
Overall ordered revenue saw a 7% decline above baseline compared to 2024, with glance views down 20% YoY while conversion rates improved 10%
Day 2 gained more significance in 2025, driven by deeper promotions and better inventory availability, marking a shift from the traditional Day 1 dominance
Ad spend increased 3% YoY, but ROAS dropped 233% as CPCs surged 28%, indicating rising cost pressures outpaced revenue gains
Out-of-stock revenue losses spiked 44% YoY, with Day 1 seeing a 74% increase, signaling major inventory and supply chain strain across categories
Discount percentage rose 2% YoY despite a 57% drop on Day 1, offset by a 47% increase on Day 2, while ASPs climbed 4% suggesting higher baseline prices
Display ad spend fell 57% while sponsored product spend increased 4%, reflecting a strategic shift in media mix allocation across most categories
