{"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":"2026-10-29T04:10:54+00:00","price":"832.32","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0HFWNM73M?maas=maas_adg_api_584985215261907273_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBd3060ec4b5db4ac5d262154a04c9e8f1_0a1c5a278cd7&aa_adgroupid=e02f58e748a08b8fcc27daa35b634b5d_PBSEP_!!!affid!!!_118045_&aa_creativeid=ed68sZXBMK9_ajw_bSHxTZZrKzI4DYNayjqC6N3aHixm0lYE0_c"}],"product":{"brand":"SIHOO UK","evidence_url":"https://mainbuyer.com/evidence/products/sihoo-b100-pro-ergonomic-office-chair-with-footrest-4d-flip-up-armrests-b0hfwnm73m/prices","gtin":null,"id":20688,"model_number":null,"name":"SIHOO B100 PRO Ergonomic Office Chair with Footrest, 4D Flip-Up Armrests","product_url":"https://mainbuyer.com/product/sihoo-b100-pro-ergonomic-office-chair-with-footrest-4d-flip-up-armrests-b0hfwnm73m","urn":"MB-AWIN-GB-B0HFWNM73M"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"832.32","historical_low":"832.32","last_observed_at":"2026-10-29T04:10:54+00:00","low_30d":"832.32","low_90d":"832.32","median_price":"832.32","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-29T04:10:54+00:00"}}