{"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":"2026-11-03T04:11:28+00:00","price":"104.49","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FWCGR5PM?maas=maas_adg_api_589335864481531507_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB5863fbda61f70d67c326a43701a450ef_59386d657730&aa_adgroupid=3c7a2ee7a0e7e6ed358717bf1ac2fbfe_PBSEP_!!!affid!!!_118045_&aa_creativeid=b307k_aCWY7uFhQdZPq1_b2L1cl4Seje6uNIxa_bCzyzvbiBLA_c"}],"product":{"brand":"Inofia UK","evidence_url":"https://mainbuyer.com/evidence/products/inofia-gel-memory-foam-mattress-topper-king-8cm-gelex-bed-topper-with-washable-cover-pressure-relief-sleep-cooler-2-layer-foam-for-rest-easy-100-b0fwcgr5pm/prices","gtin":null,"id":21236,"model_number":null,"name":"Inofia Gel Memory Foam Mattress Topper King, 8CM GELEX Bed Topper with Washable Cover, Pressure Relief | Sleep Cooler, 2 Layer Foam for Rest Easy, 100","product_url":"https://mainbuyer.com/product/inofia-gel-memory-foam-mattress-topper-king-8cm-gelex-bed-topper-with-washable-cover-pressure-relief-sleep-cooler-2-layer-foam-for-rest-easy-100-b0fwcgr5pm","urn":"MB-AWIN-GB-B0FWCGR5PM"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"104.49","historical_low":"104.49","last_observed_at":"2026-11-03T04:11:28+00:00","low_30d":"104.49","low_90d":"104.49","median_price":"104.49","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-03T04:11:28+00:00"}}