{"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":"2026-09-17T12:30:08+00:00","price":"17.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FKMZTH6D?maas=maas_adg_api_592726080587323501_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=dd7510ecb8e7c3027c7436f2c8a12605&aa_adgroupid=d72e9dff141efd7d0735624d8f5e8ac0_PBSEP_!!!affid!!!_118045_&aa_creativeid=635f6jzxR0GkujLpwh2gnKQxs4zrEk6HnHZU_aYNJzqOGCGE_c"}],"product":{"brand":"ANYCUBIC UK","evidence_url":"https://mainbuyer.com/evidence/products/anycubic-marble-pla-3d-printer-filament-1kg-brick-red-b0fkmzth6d/prices","gtin":null,"id":12299,"model_number":null,"name":"ANYCUBIC Marble PLA 3D Printer Filament, 1KG Brick Red","product_url":"https://mainbuyer.com/product/anycubic-marble-pla-3d-printer-filament-1kg-brick-red-b0fkmzth6d","urn":"MB-AWIN-GB-B0FKMZTH6D"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"17.99","historical_low":"17.99","last_observed_at":"2026-09-17T12:30:08+00:00","low_30d":"17.99","low_90d":"17.99","median_price":"17.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:08+00:00"}}