{"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":"2026-09-17T12:29:46+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FQBWNM1S?maas=maas_adg_api_579923755931331549_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf92465971e585c60a23691d3e85d420b&aa_adgroupid=f7df3339b38c6df56fd29ae82ab40fb1_PBSEP_!!!affid!!!_118045_&aa_creativeid=99270OBmF4dAXaLmn9fQOAF6QWc1DyjKrQmQmtB47wkY7Ns_c"}],"product":{"brand":"Arboleaf UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/arboleaf-heated-back-support-belt-back-brace-with-3-heat-levels-b0fqbwnm1s/prices","gtin":null,"id":11783,"model_number":null,"name":"arboleaf Heated Back Support Belt, Back Brace with 3-Heat Levels","product_url":"https://mail.mainbuyer.com/product/arboleaf-heated-back-support-belt-back-brace-with-3-heat-levels-b0fqbwnm1s","urn":"MB-AWIN-GB-B0FQBWNM1S"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:29:46+00:00","low_30d":"29.99","low_90d":"29.99","median_price":"29.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:46+00:00"}}