{"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":"2026-10-21T03:10:06+00:00","price":"115.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0C9GRX4FZ?maas=maas_adg_api_582671134580361849_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB49dca6ee4b09e62dec60478c91235bc4_df188db2f111&aa_adgroupid=ee801a329536514ee17b3d91f021b76d_PBSEP_!!!affid!!!_118045_&aa_creativeid=e6f7IHF2SriBeHwslGi3II4B5iuZJtqI3DELkvTVRqgoJS4_c"}],"product":{"brand":"Inofia UK","evidence_url":"https://mainbuyer.com/evidence/products/inofia-single-mattress-12-inch-memory-foam-mattress-with-stellar-pocket-sprung-single-bed-mattress-with-tencel-fabric-oeko-tex-certified-the-imperial-b0c9grx4fz/prices","gtin":null,"id":19120,"model_number":null,"name":"Inofia Single Mattress,12 Inch Memory Foam Mattress with Stellar Pocket Sprung, Single Bed Mattress with Tencel Fabric,OEKO-TEX Certified,The Imperial","product_url":"https://mainbuyer.com/product/inofia-single-mattress-12-inch-memory-foam-mattress-with-stellar-pocket-sprung-single-bed-mattress-with-tencel-fabric-oeko-tex-certified-the-imperial-b0c9grx4fz","urn":"MB-AWIN-GB-B0C9GRX4FZ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"115.99","historical_low":"115.99","last_observed_at":"2026-10-21T03:10:06+00:00","low_30d":"115.99","low_90d":"115.99","median_price":"115.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-21T03:10:06+00:00"}}