{"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":"2026-09-17T12:28:09+00:00","price":"479.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0FPQCY9NG?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=45794bbca27259616ea9334d3ff63a22&aa_adgroupid=b9d1a1957422a74d39dc8c2402bfe801_PBSEP_!!!affid!!!_118045_&aa_creativeid=981ftZAZfDb9tv4r1C1Nu5rtpYHOyjMUQCxobrgEw7j_aCNM_c"}],"product":{"brand":"UK-eufy","evidence_url":"https://www.mainbuyer.com/evidence/products/eufy-c28-omni-robot-vacuum-cleaner-with-mop-hydrojet-self-clean-roller-mop-b0fpqcy9ng/prices","gtin":null,"id":8736,"model_number":null,"name":"eufy C28 Omni, Robot Vacuum Cleaner with Mop,HydroJet Self Clean Roller Mop","product_url":"https://www.mainbuyer.com/product/eufy-c28-omni-robot-vacuum-cleaner-with-mop-hydrojet-self-clean-roller-mop-b0fpqcy9ng","urn":"MB-AWIN-GB-B0FPQCY9NG"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"479.00","historical_low":"479.00","last_observed_at":"2026-09-17T12:28:09+00:00","low_30d":"479.00","low_90d":"479.00","median_price":"479.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:09+00:00"}}