LMK Price Lab

Price Lab

Same barcode. Different checkout. Wild prices — research from the price history we actually track across merchants.

Featured report · half

H1 2026 Retail Price Report

Checkout gaps, rising vs falling prices, merchant pressure proxies, and product callouts — with charts, images, and a clear not-a-scientific-study disclaimer.

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Graphs, not guesswork

Coverage, risers vs droppers, merchant pressure

Cross-checkout gaps

Same barcode matched across merchants

Observational e-commerce signals from LMK's tracked catalog. Not CPI. Walmart limited to first-party sellers. Periods: month, quarter, half-year, or year.