{"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":"2026-09-17T12:30:33+00:00","price":"33.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0D4YGP4YW?maas=maas_adg_api_578271754058922202_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB4c8ea1d4126063e258fc3f0922cb6bf3&aa_adgroupid=e6bf3c2e8825502e205ea23413d53d3b_PBSEP_!!!affid!!!_118045_&aa_creativeid=1fa1_byVlMWxhjTQ01MS_aMVO08vXCoJL97qK9TPZlLy1sOOU_c"}],"product":{"brand":"NCVI-UK","evidence_url":"https://mainbuyer.com/evidence/products/ncvi-double-electric-breast-pump-ultra-quiet-and-pain-free-beige-b0d4ygp4yw/prices","gtin":null,"id":12901,"model_number":null,"name":"NCVI Double Electric Breast Pump - Ultra-Quiet and Pain Free Beige","product_url":"https://mainbuyer.com/product/ncvi-double-electric-breast-pump-ultra-quiet-and-pain-free-beige-b0d4ygp4yw","urn":"MB-AWIN-GB-B0D4YGP4YW"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"33.99","historical_low":"33.99","last_observed_at":"2026-09-17T12:30:33+00:00","low_30d":"33.99","low_90d":"33.99","median_price":"33.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:33+00:00"}}