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Gathering data — 29 of 30 products in stock across the euro-zone so far. Nothing is published until the sample is large enough to defend.

Method: identical ASIN, in stock in ≥2 euro-zone stores, prices stripped of each marketplace's domestic VAT. Poland & Sweden are FX-converted at the ECB daily rate and shown separately; the UK is excluded from single-market figures (post-Brexit customs/VAT). Sample: 29 products, 2026-W28. Low-coverage categories (n<8, not headline-safe): audio, cooking, drones, electronics, gaming, photography. Full methodology →