{"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":"2026-09-18T08:28:05+00:00","price":"15.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08MZZVV2Q?maas=maas_adg_api_577292771771923531_static_12_45&ref_=aa_maas&tag=maas&aa_campaignid=27669c5bae2e1c7eabb2ed8a0e364080&aa_adgroupid=8e7ac94afb59280c7188e300c4a48f48_PBSEP_!!!affid!!!_118045_&aa_creativeid=1258WzCmB44TCOkZNs2e8ZZ1ILigxCnYvEkZ4XKtoA_amIDw_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:26:26+00:00","price":"15.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08MZZVV2Q?maas=maas_adg_api_577292771771923531_static_12_45&ref_=aa_maas&tag=maas&aa_campaignid=27669c5bae2e1c7eabb2ed8a0e364080&aa_adgroupid=8e7ac94afb59280c7188e300c4a48f48_PBSEP_!!!affid!!!_118045_&aa_creativeid=1258WzCmB44TCOkZNs2e8ZZ1ILigxCnYvEkZ4XKtoA_amIDw_c"}],"product":{"brand":"NTRH","evidence_url":"https://mail.mainbuyer.com/evidence/products/ntrh-knee-brace-for-arthritis-acl-and-meniscus-tear-adjustable-knee-sleeves-for-sports-knee-support-for-men-and-women-xxl-b08mzzvv2q/prices","gtin":null,"id":5829,"model_number":null,"name":"NTRH Knee Brace for Arthritis ACL and Meniscus Tear Adjustable Knee Sleeves for Sports Knee Support for Men and Women XXL","product_url":"https://mail.mainbuyer.com/product/ntrh-knee-brace-for-arthritis-acl-and-meniscus-tear-adjustable-knee-sleeves-for-sports-knee-support-for-men-and-women-xxl-b08mzzvv2q","urn":"MB-AWIN-GB-B08MZZVV2Q"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"15.99","historical_low":"15.99","last_observed_at":"2026-09-18T08:28:05+00:00","low_30d":"15.99","low_90d":"15.99","median_price":"15.99","observation_count":2,"priced_observation_count":2,"retailer_count":1,"span_days":1,"tracked_since":"2026-09-17T12:26:26+00:00"}}