{"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":"2026-10-07T03:09:40+00:00","price":"317.13","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0CLZQCKQ2?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=80cdb0c31142a3680dd5575faffeb845_PBSEP_!!!affid!!!_118045_&aa_creativeid=be5eQ0c0B5zU8E_bnxKJ443SBPKl4uUsxsjn2VbI1JzkGVd8_c"}],"product":{"brand":"Ultrahuman UK","evidence_url":"https://mainbuyer.com/evidence/products/ultrahuman-ring-air-sleep-and-fitness-tracker-smart-ring-for-men-and-women-no-app-fee-for-standard-features-up-to-6-days-battery-life-size-14-b0clzqckq2/prices","gtin":null,"id":17047,"model_number":null,"name":"ULTRAHUMAN Ring AIR \u00e2?? Sleep and Fitness Tracker, Smart Ring for Men and Women, No app fee for standard features, Up to 6 days battery life (Size 14)","product_url":"https://mainbuyer.com/product/ultrahuman-ring-air-sleep-and-fitness-tracker-smart-ring-for-men-and-women-no-app-fee-for-standard-features-up-to-6-days-battery-life-size-14-b0clzqckq2","urn":"MB-AWIN-GB-B0CLZQCKQ2"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"317.13","historical_low":"317.13","last_observed_at":"2026-10-07T03:09:40+00:00","low_30d":"317.13","low_90d":"317.13","median_price":"317.13","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-07T03:09:40+00:00"}}