{"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":"2026-10-14T03:09:51+00:00","price":"15.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B097MXK78N?maas=maas_adg_api_591219144452308049_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=27ddef26812f70e56cdc1c78cf939272&aa_adgroupid=c00c045d1006523513cd7fb04e7e3bbf_PBSEP_!!!affid!!!_118045_&aa_creativeid=038d6_bdHhTSMCAYtk85_a8tFMs1G7dQVBKV34n1PEcbkgEfE_c"}],"product":{"brand":"PROSTEEL-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/prosteel-men-s-rings-8mm-width-stainless-steel-thumb-band-ring-silver-size-q-send-gift-box-b097mxk78n/prices","gtin":null,"id":18279,"model_number":null,"name":"PROSTEEL Men's Rings, 8MM Width Stainless Steel Thumb Band Ring Silver Size Q - Send Gift Box","product_url":"https://mail.mainbuyer.com/product/prosteel-men-s-rings-8mm-width-stainless-steel-thumb-band-ring-silver-size-q-send-gift-box-b097mxk78n","urn":"MB-AWIN-GB-B097MXK78N"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"15.99","historical_low":"15.99","last_observed_at":"2026-10-14T03:09:51+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":"2026-10-14T03:09:51+00:00"}}