{"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":"2026-09-17T12:30:46+00:00","price":"13.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FQJ2ZFYT?maas=maas_adg_api_588052515283475030_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf3f02c3e232dee00843a38531c9c53d5&aa_adgroupid=94f119352c085780a9242b5842baa63c_PBSEP_!!!affid!!!_118045_&aa_creativeid=87acFXhscFRCrj6yd6NDuz6jMo0M3caVkdWE5J8Pa8YJwfE_c"}],"product":{"brand":"pluseight UK","evidence_url":"https://www.mainbuyer.com/evidence/products/560ml-19oz-water-bottle-with-straw-lid-stainless-steel-water-bottle-with-non-slip-silicone-base-for-sports-gym-or-office-bpa-free-keep-cold-18h-hot-b0fqj2zfyt/prices","gtin":null,"id":13165,"model_number":null,"name":"560ml/19oz Water Bottle with Straw Lid, Stainless Steel Water Bottle with Non-slip Silicone Base for Sports, Gym or Office, BPA-Free Keep Cold 18H Hot","product_url":"https://www.mainbuyer.com/product/560ml-19oz-water-bottle-with-straw-lid-stainless-steel-water-bottle-with-non-slip-silicone-base-for-sports-gym-or-office-bpa-free-keep-cold-18h-hot-b0fqj2zfyt","urn":"MB-AWIN-GB-B0FQJ2ZFYT"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"13.99","historical_low":"13.99","last_observed_at":"2026-09-17T12:30:46+00:00","low_30d":"13.99","low_90d":"13.99","median_price":"13.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:46+00:00"}}