{"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":"2026-09-17T12:28:32+00:00","price":"15.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GTZ88T47?maas=maas_adg_api_591514803013323719_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB7bce50449938388e7e7f54caf5a0996f&aa_adgroupid=e6105b7e32fda196b817a5c3bef7de8a_PBSEP_!!!affid!!!_118045_&aa_creativeid=459b47IrcOm83_bk_a2htOFdeOsaJwqXs4iTaJTJjRdvkfYWw_c"}],"product":{"brand":"ESR UK","evidence_url":"https://mainbuyer.com/evidence/products/esr-accessory-glass-by-corning-for-apple-watch-ultra-4-3-2-ultra-clear-b0gtz88t47/prices","gtin":null,"id":9492,"model_number":null,"name":"ESR Accessory Glass by Corning\u00e2?\u00a2 for Apple Watch Ultra 4/3/2/Ultra, Clear","product_url":"https://mainbuyer.com/product/esr-accessory-glass-by-corning-for-apple-watch-ultra-4-3-2-ultra-clear-b0gtz88t47","urn":"MB-AWIN-GB-B0GTZ88T47"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"15.99","historical_low":"15.99","last_observed_at":"2026-09-17T12:28:32+00:00","low_30d":"15.99","low_90d":"15.99","median_price":"15.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:32+00:00"}}