{"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":"2026-10-23T03:10:46+00:00","price":"99.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GYNWLHQR?maas=maas_adg_api_579967245749788136_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB91ff4ee529c02fe4ce2615b2925f50e7_fd3bda10970a&aa_adgroupid=d80db91f7ed54b5317b55303052688a6_PBSEP_!!!affid!!!_118045_&aa_creativeid=e1e0MUdvL2EUTEUFK_atFkNyEG5u_btwBWJIaztYtYmEI_aoT8_c"}],"product":{"brand":"FlexiSpot UK","evidence_url":"https://mainbuyer.com/evidence/products/flexispot-oc3-pro-ergonomic-office-chair-with-3d-headrest-8-level-lumbar-support-fold-up-pu-armrests-breathable-mesh-seat-135-backrest-adjustmen-b0gynwlhqr/prices","gtin":null,"id":19898,"model_number":null,"name":"FLEXISPOT OC3 PRO Ergonomic Office Chair With 3D Headrest, 8-Level Lumbar Support, Fold-Up PU Armrests, Breathable Mesh Seat, 135\u00c2\u00b0 Backrest Adjustmen","product_url":"https://mainbuyer.com/product/flexispot-oc3-pro-ergonomic-office-chair-with-3d-headrest-8-level-lumbar-support-fold-up-pu-armrests-breathable-mesh-seat-135-backrest-adjustmen-b0gynwlhqr","urn":"MB-AWIN-GB-B0GYNWLHQR"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"99.99","historical_low":"99.99","last_observed_at":"2026-10-23T03:10:46+00:00","low_30d":"99.99","low_90d":"99.99","median_price":"99.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-23T03:10:46+00:00"}}