{"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":"169.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F1XF3865?maas=maas_adg_api_582671134580361849_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB49dca6ee4b09e62dec60478c91235bc4_7bb333a09f1c&aa_adgroupid=53606481ff2b014ca31c0daee51fe178_PBSEP_!!!affid!!!_118045_&aa_creativeid=2662_brnOO7PW1_bUpoHxGZf5CJ1vgRCgmjFfX2Xm5K7DUOBo_c"}],"product":{"brand":"Inofia UK","evidence_url":"https://mainbuyer.com/evidence/products/inofia-small-double-mattress-12-inch-hybrid-mattress-with-medium-firm-feel-b0f1xf3865/prices","gtin":null,"id":19111,"model_number":null,"name":"Inofia Small Double Mattress, 12 Inch Hybrid Mattress with Medium Firm Feel","product_url":"https://mainbuyer.com/product/inofia-small-double-mattress-12-inch-hybrid-mattress-with-medium-firm-feel-b0f1xf3865","urn":"MB-AWIN-GB-B0F1XF3865"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"169.99","historical_low":"169.99","last_observed_at":"2026-10-21T03:10:06+00:00","low_30d":"169.99","low_90d":"169.99","median_price":"169.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-21T03:10:06+00:00"}}