{"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":"2026-10-31T04:10:19+00:00","price":"49.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0HJ8FZH5Z?maas=maas_adg_api_592726080587323501_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBdd7510ecb8e7c3027c7436f2c8a12605_0415a7921416&aa_adgroupid=606f482190ea1183293acff9e5429a25_PBSEP_!!!affid!!!_118045_&aa_creativeid=b86797Ivi6PsFl6bLMP88LnkwFSLosFxGyV1uSKKn_bFjH9k_c"}],"product":{"brand":"ANYCUBIC UK","evidence_url":"https://mainbuyer.com/evidence/products/anycubic-high-speed-petg-3d-printer-filament-up-to-600mm-s-4kg-black-b0hj8fzh5z/prices","gtin":null,"id":20843,"model_number":null,"name":"Anycubic High Speed PETG 3D Printer Filament, Up to 600mm/s, 4KG Black","product_url":"https://mainbuyer.com/product/anycubic-high-speed-petg-3d-printer-filament-up-to-600mm-s-4kg-black-b0hj8fzh5z","urn":"MB-AWIN-GB-B0HJ8FZH5Z"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"49.99","historical_low":"49.99","last_observed_at":"2026-10-31T04:10:19+00:00","low_30d":"49.99","low_90d":"49.99","median_price":"49.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-31T04:10:19+00:00"}}