{"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":"2026-09-17T12:29:47+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FQBD3LF6?maas=maas_adg_api_588052515283475030_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf3f02c3e232dee00843a38531c9c53d5&aa_adgroupid=03faab16360f486d6802c3a276680998_PBSEP_!!!affid!!!_118045_&aa_creativeid=0528y9_b0iFrrkVPCg60_b1n9FlCsuhut_boLtFhOy60iNUSD8_c"}],"product":{"brand":"pluseight UK","evidence_url":"https://www.mainbuyer.com/evidence/products/insulated-water-bottle-750ml-24oz-leak-proof-18-8-stainless-steel-vacuum-tumbler-stainless-steel-water-bottle-wide-mouth-for-sports-gym-or-office-b0fqbd3lf6/prices","gtin":null,"id":11850,"model_number":null,"name":"Insulated Water Bottle, 750ml(24oz) Leak Proof 18/8 Stainless Steel Vacuum Tumbler, Stainless Steel Water Bottle Wide Mouth for Sports, Gym or Office,","product_url":"https://www.mainbuyer.com/product/insulated-water-bottle-750ml-24oz-leak-proof-18-8-stainless-steel-vacuum-tumbler-stainless-steel-water-bottle-wide-mouth-for-sports-gym-or-office-b0fqbd3lf6","urn":"MB-AWIN-GB-B0FQBD3LF6"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-09-17T12:29:47+00:00","low_30d":"29.99","low_90d":"29.99","median_price":"29.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:47+00:00"}}