{"dataset":"MainBuyer UK price observations","market":"GB","market_name":"United Kingdom","methodology":"Each observation is stored only when MainBuyer has a timestamped checked retailer offer. Missing days are not interpolated or invented. Historical low, high and median figures use recorded in-stock observations only.","observations":[{"currency":"GBP","in_stock":true,"observed_at":"2026-10-21T03:10:02+00:00","price":"239.98","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08PFDV6KX?maas=maas_adg_api_589335864481531507_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5863fbda61f70d67c326a43701a450ef_d73b9d4ab8b1&aa_adgroupid=613bbadcb11d46acc7c966208e351546_PBSEP_!!!affid!!!_118045_&aa_creativeid=e578TNQPftQQevzTzAHFwTpAYwAlco4XfO_bBaOQqkNvZqLI_c"}],"product":{"brand":"Inofia UK","evidence_url":"https://mainbuyer.com/evidence/products/inofia-super-king-mattress-memory-foam-6ft-11-inch-hybrid-sprung-mattress-with-fire-resistant-responsive-zoned-support-motion-isolated-100-night-h-b08pfdv6kx/prices","gtin":null,"id":19056,"model_number":null,"name":"Inofia Super King Mattress Memory Foam 6FT, 11 Inch Hybrid Sprung Mattress with Fire Resistant, Responsive Zoned Support & Motion Isolated,100 Night H","product_url":"https://mainbuyer.com/product/inofia-super-king-mattress-memory-foam-6ft-11-inch-hybrid-sprung-mattress-with-fire-resistant-responsive-zoned-support-motion-isolated-100-night-h-b08pfdv6kx","urn":"MB-AWIN-GB-B08PFDV6KX"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"239.98","historical_low":"239.98","last_observed_at":"2026-10-21T03:10:02+00:00","low_30d":"239.98","low_90d":"239.98","median_price":"239.98","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-21T03:10:02+00:00"}}