{"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":"2026-09-17T12:28:25+00:00","price":"539.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GSFWR61B?maas=maas_adg_api_584985215261907273_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBd3060ec4b5db4ac5d262154a04c9e8f1&aa_adgroupid=bb53f2450da6be5f7cae7c5bb2500b60_PBSEP_!!!affid!!!_118045_&aa_creativeid=042eFVvv7uy2RjpIO7wUb9EYs_a21_aNL0fxJpzjGX7iRTkX8_c"}],"product":{"brand":"SIHOO UK","evidence_url":"https://mainbuyer.com/evidence/products/sihoo-doro-c300-v2-ergonomic-office-chair-mesh-desk-chair-with-8d-armrests-rotating-lumbar-support-breathable-computer-chair-with-3d-headrest-sea-b0gsfwr61b/prices","gtin":null,"id":9286,"model_number":null,"name":"SIHOO Doro C300 V2 Ergonomic Office Chair, Mesh Desk Chair with 8D Armrests & Rotating Lumbar Support, Breathable Computer Chair with 3D Headrest, Sea","product_url":"https://mainbuyer.com/product/sihoo-doro-c300-v2-ergonomic-office-chair-mesh-desk-chair-with-8d-armrests-rotating-lumbar-support-breathable-computer-chair-with-3d-headrest-sea-b0gsfwr61b","urn":"MB-AWIN-GB-B0GSFWR61B"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"539.99","historical_low":"539.99","last_observed_at":"2026-09-17T12:28:25+00:00","low_30d":"539.99","low_90d":"539.99","median_price":"539.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:25+00:00"}}