{"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":"2026-10-23T03:10:44+00:00","price":"189.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GJ5D9KFV?maas=maas_adg_api_579967245749788136_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB91ff4ee529c02fe4ce2615b2925f50e7_eb70c200e760&aa_adgroupid=3a0755df973a0e9cd2dcf58e8a5d21b7_PBSEP_!!!affid!!!_118045_&aa_creativeid=077fPSzouhyu3_bdGSg_bSx37pB8zL8zPBg7R9syTWt7ez4ew_c"}],"product":{"brand":"FlexiSpot UK","evidence_url":"https://mainbuyer.com/evidence/products/flexispot-ergonomic-office-chair-zone-adjustable-lumbar-support-footrest-b0gj5d9kfv/prices","gtin":null,"id":19820,"model_number":null,"name":"FLEXISPOT Ergonomic Office Chair, Zone Adjustable Lumbar Support & Footrest","product_url":"https://mainbuyer.com/product/flexispot-ergonomic-office-chair-zone-adjustable-lumbar-support-footrest-b0gj5d9kfv","urn":"MB-AWIN-GB-B0GJ5D9KFV"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"189.99","historical_low":"189.99","last_observed_at":"2026-10-23T03:10:44+00:00","low_30d":"189.99","low_90d":"189.99","median_price":"189.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-23T03:10:44+00:00"}}