{"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":"2026-09-17T12:26:33+00:00","price":"14.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0B18YJBG4?maas=maas_adg_api_587538883746828361_static_12_45&ref_=aa_maas&aa_campaignid=2948738da51ce6f4d78887ccf078c346&aa_adgroupid=e04f0bc8c52da078c0f8379cfd8bcf37_PBSEP_!!!affid!!!_118045_&aa_creativeid=3b70Q4di7zdUe4NalE3c9WwvvMXmQwL6zZvu1KW4vNTIbqo_c"}],"product":{"brand":"Aionly uk","evidence_url":"https://www.mainbuyer.com/evidence/products/fidget-magnetic-pen-decompression-ballpoint-magnet-pen-birthday-gifts-for-men-teen-christmas-stocking-filler-gift-for-teenage-boys-girls-unique-coo-b0b18yjbg4/prices","gtin":null,"id":6054,"model_number":null,"name":"Fidget Magnetic Pen, Decompression Ballpoint Magnet Pen Birthday Gifts for Men Teen, Christmas Stocking Filler Gift For Teenage Boys Girls, Unique Coo","product_url":"https://www.mainbuyer.com/product/fidget-magnetic-pen-decompression-ballpoint-magnet-pen-birthday-gifts-for-men-teen-christmas-stocking-filler-gift-for-teenage-boys-girls-unique-coo-b0b18yjbg4","urn":"MB-AWIN-GB-B0B18YJBG4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"14.99","historical_low":"14.99","last_observed_at":"2026-09-17T12:26:33+00:00","low_30d":"14.99","low_90d":"14.99","median_price":"14.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:26:33+00:00"}}