{"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":"2026-09-17T12:26:27+00:00","price":"164.51","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D3D4WHSF?maas=maas_adg_api_590570065607403199_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB696b5d4010fb0ce55a79035b360fb54c&aa_adgroupid=9f0497934fb983fa34a2986cd18a37af_PBSEP_!!!affid!!!_118045_&aa_creativeid=5a7fzjj0ask1HwJKQM_abmoILbMAcH2kdToTRMHOnBvrbAhU_c"}],"product":{"brand":"Bedlore-UK","evidence_url":"https://mainbuyer.com/evidence/products/bedlore-twin-xl-mattress-topper-pillow-top-mattress-pad-b0d3d4whsf/prices","gtin":null,"id":5870,"model_number":null,"name":"BEDLORE Twin XL Mattress Topper, Pillow Top Mattress Pad","product_url":"https://mainbuyer.com/product/bedlore-twin-xl-mattress-topper-pillow-top-mattress-pad-b0d3d4whsf","urn":"MB-AWIN-GB-B0D3D4WHSF"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"164.51","historical_low":"164.51","last_observed_at":"2026-09-17T12:26:27+00:00","low_30d":"164.51","low_90d":"164.51","median_price":"164.51","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:27+00:00"}}