{"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":"2026-11-07T04:10:36+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0HFJL67XN?maas=maas_adg_api_585950276735858928_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB0b7d158507b4be3056acf43088a42429_085b25138c9d&aa_adgroupid=9d76839427239658fb98b2b6de7389fa_PBSEP_!!!affid!!!_118045_&aa_creativeid=73c2KOWH7PnTDNkJorZkrCv8pZ0KmjuMqNozh7nxfmwMWvI_c"}],"product":{"brand":"Warmpax UK","evidence_url":"https://mainbuyer.com/evidence/products/m10-hand-warmers-rechargeable-2-pack-3-heat-levels-to-55-c-b0hfjl67xn/prices","gtin":null,"id":21930,"model_number":null,"name":"M10 Hand Warmers Rechargeable 2 Pack, 3 Heat Levels to 55\u00c2\u00b0C","product_url":"https://mainbuyer.com/product/m10-hand-warmers-rechargeable-2-pack-3-heat-levels-to-55-c-b0hfjl67xn","urn":"MB-AWIN-GB-B0HFJL67XN"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-11-07T04:10:36+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-11-07T04:10:36+00:00"}}