{"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":"2026-11-14T04:08:39+00:00","price":"29.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0HMR2NX1X?maas=maas_adg_api_577553284735287735_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB8f69ba3fb0b68ffb0bd3374755f63aa6_2e4a75cc9771&aa_adgroupid=6cd9b9d1f2403d72b71e413a0c0eff9b_PBSEP_!!!affid!!!_118045_&aa_creativeid=78d9jnF9xZ1XYNYLMPypp58NQ04bW49PU1VNlhspmES48g0_c"}],"product":{"brand":"Hotmoon UK","evidence_url":"https://www.mainbuyer.com/evidence/products/hotmoon-seran-portable-baby-white-noise-sound-machine-for-sleep-20-sounds-b0hmr2nx1x/prices","gtin":null,"id":22826,"model_number":null,"name":"Hotmoon Seran Portable Baby White Noise Sound Machine for Sleep, 20 Sounds","product_url":"https://www.mainbuyer.com/product/hotmoon-seran-portable-baby-white-noise-sound-machine-for-sleep-20-sounds-b0hmr2nx1x","urn":"MB-AWIN-GB-B0HMR2NX1X"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"29.99","historical_low":"29.99","last_observed_at":"2026-11-14T04:08:39+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":"2026-11-14T04:08:39+00:00"}}