{"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":"2026-09-20T08:49:03+00:00","price":"9.04","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H8P6TP5S?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=5b175c210fc7b45d855cfea2d67d722d_PBSEP_!!!affid!!!_118045_&aa_creativeid=ba89CW2SigEFFAR2TyybZWLLtFSz0JCQy6qayLFYNKIbXxQ_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-19T08:17:32+00:00","price":"9.04","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H8P6TP5S?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=5b175c210fc7b45d855cfea2d67d722d_PBSEP_!!!affid!!!_118045_&aa_creativeid=ba89CW2SigEFFAR2TyybZWLLtFSz0JCQy6qayLFYNKIbXxQ_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-18T08:29:45+00:00","price":"9.04","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H8P6TP5S?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=5b175c210fc7b45d855cfea2d67d722d_PBSEP_!!!affid!!!_118045_&aa_creativeid=ba89CW2SigEFFAR2TyybZWLLtFSz0JCQy6qayLFYNKIbXxQ_c"},{"currency":"GBP","in_stock":true,"observed_at":"2026-09-17T12:29:05+00:00","price":"9.04","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0H8P6TP5S?maas=maas_adg_api_587917621439044438_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB86d049c9b3545c5c7a1612d2992e400d&aa_adgroupid=5b175c210fc7b45d855cfea2d67d722d_PBSEP_!!!affid!!!_118045_&aa_creativeid=ba89CW2SigEFFAR2TyybZWLLtFSz0JCQy6qayLFYNKIbXxQ_c"}],"product":{"brand":"Ultrahuman","evidence_url":"https://www.mainbuyer.com/evidence/products/ultrahuman-ring-pro-sizing-kit-find-your-before-you-buy-10-options-5-to-14-in-4-colours-smart-ring-sizer-b0h8p6tp5s/prices","gtin":null,"id":10552,"model_number":null,"name":"ULTRAHUMAN Ring PRO Sizing Kit - Find Your Before You Buy - 10 Options 5 to 14 in 4 Colours - Smart Ring Sizer","product_url":"https://www.mainbuyer.com/product/ultrahuman-ring-pro-sizing-kit-find-your-before-you-buy-10-options-5-to-14-in-4-colours-smart-ring-sizer-b0h8p6tp5s","urn":"MB-AWIN-GB-B0H8P6TP5S"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"9.04","historical_low":"9.04","last_observed_at":"2026-09-20T08:49:03+00:00","low_30d":"9.04","low_90d":"9.04","median_price":"9.04","observation_count":4,"priced_observation_count":4,"retailer_count":1,"span_days":3,"tracked_since":"2026-09-17T12:29:05+00:00"}}