{"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":"2026-09-19T08:17:32+00:00","price":"294.21","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D4ZF1CJ3?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=b91762cc73ba3e0bffaa7bb74bdaaaf5_PBSEP_!!!affid!!!_118045_&aa_creativeid=7db695k5OCY_a0krHb9UA8A_bNV9h2NJwguBSRc2KT4HSKXfA_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-18T08:29:44+00:00","price":"294.21","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D4ZF1CJ3?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=b91762cc73ba3e0bffaa7bb74bdaaaf5_PBSEP_!!!affid!!!_118045_&aa_creativeid=7db695k5OCY_a0krHb9UA8A_bNV9h2NJwguBSRc2KT4HSKXfA_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:02+00:00","price":"294.21","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D4ZF1CJ3?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=b91762cc73ba3e0bffaa7bb74bdaaaf5_PBSEP_!!!affid!!!_118045_&aa_creativeid=7db695k5OCY_a0krHb9UA8A_bNV9h2NJwguBSRc2KT4HSKXfA_c"}],"product":{"brand":"Ultrahuman","evidence_url":"https://mainbuyer.com/evidence/products/ultrahuman-ring-air-smart-b0d4zf1cj3/prices","gtin":null,"id":10503,"model_number":null,"name":"ULTRAHUMAN Ring Air Smart","product_url":"https://mainbuyer.com/product/ultrahuman-ring-air-smart-b0d4zf1cj3","urn":"MB-AWIN-GB-B0D4ZF1CJ3"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"294.21","historical_low":"294.21","last_observed_at":"2026-09-19T08:17:32+00:00","low_30d":"294.21","low_90d":"294.21","median_price":"294.21","observation_count":3,"priced_observation_count":3,"retailer_count":1,"span_days":2,"tracked_since":"2026-09-17T12:29:02+00:00"}}