{"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":"2026-09-19T08:18:01+00:00","price":"329.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GVSMBVBJ?maas=maas_adg_api_583074342184384210_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB8ffdbc0e908ab4fbe3e26f865da59eab&aa_adgroupid=4ed94846cd6b3d9f6669f327534af917_PBSEP_!!!affid!!!_118045_&aa_creativeid=4b1a7q3eNbDeJOHytC8y9jwtg2cgJIEyHujC7wL9lAS2LTE_c"}],"product":{"brand":"RingConn-UK","evidence_url":"https://mainbuyer.com/evidence/products/ringconn-gen-3-world-s-first-smart-ring-with-vascular-trends-b0gvsmbvbj/prices","gtin":null,"id":13667,"model_number":null,"name":"RingConn Gen 3, World\u00e2??s First Smart Ring with Vascular Trends","product_url":"https://mainbuyer.com/product/ringconn-gen-3-world-s-first-smart-ring-with-vascular-trends-b0gvsmbvbj","urn":"MB-AWIN-GB-B0GVSMBVBJ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"329.00","historical_low":"329.00","last_observed_at":"2026-09-19T08:18:01+00:00","low_30d":"329.00","low_90d":"329.00","median_price":"329.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-19T08:18:01+00:00"}}