Prime Day 2026 vs Walmart Deal Days | Price Comparison
Prime Day 2026: Amazon vs Walmart Deal Days head-to-head 3,200 SKUs tracked across both events. Winners, losers, and where CPG brands should focus next year's Q3 spend. 3,200 SKUs tracked $14.2B Amazon Prime Day GMV $8.4B Walmart Deal Days GMV 4.2% Same-SKU price gap The head-to-head numbers Amazon Prime Day 2026 (July 8-9) generated an estimated $14.2B in GMV , up 12% YoY. Walmart Deal Days (July 15-16) hit $8.4B , up 18% YoY. On paper, Amazon wins. But looking at the categories where the events overlap on identical SKUs, the picture changes: Amazon's average discount was 34% , while Walmart's was 28% — but Walmart offered better prices on 41% of matched SKUs . Same-brand price gap (median across 3,200 identical SKUs) was 4.2% — historically the tightest gap between these two events. Just 3 years ago it was 11.8%. Category-by-category winners Where each event dominated by category share of GMV: Category Prime Day Deal Days Winner Electronics $4.1B $1.8B Amazon Fashion ...
