{"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":"2026-10-23T03:10:33+00:00","price":"142.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GK5SNLBX?maas=maas_adg_api_579967245749788136_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB91ff4ee529c02fe4ce2615b2925f50e7_215bd0e13add&aa_adgroupid=e082038916ee3cf00b66302221d2561a_PBSEP_!!!affid!!!_118045_&aa_creativeid=ff27SHKX_achWtYTQjtrRmo1_amOherFtCOqt2IgzLGAST3d4_c"}],"product":{"brand":"FlexiSpot UK","evidence_url":"https://mainbuyer.com/evidence/products/flexispot-oc3-ergonomic-office-chair-executive-mesh-office-chair-swivel-height-adjustable-seat-headrest-armrest-lumbar-support-caster-wheels-task-chai-b0gk5snlbx/prices","gtin":null,"id":19578,"model_number":null,"name":"FLEXISPOT OC3 Ergonomic Office Chair Executive Mesh Office Chair Swivel Height Adjustable Seat Headrest Armrest Lumbar Support Caster Wheels Task Chai","product_url":"https://mainbuyer.com/product/flexispot-oc3-ergonomic-office-chair-executive-mesh-office-chair-swivel-height-adjustable-seat-headrest-armrest-lumbar-support-caster-wheels-task-chai-b0gk5snlbx","urn":"MB-AWIN-GB-B0GK5SNLBX"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"142.99","historical_low":"142.99","last_observed_at":"2026-10-23T03:10:33+00:00","low_30d":"142.99","low_90d":"142.99","median_price":"142.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-23T03:10:33+00:00"}}