{"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":"2026-09-17T12:29:47+00:00","price":"259.98","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0B1HGMJPK?maas=maas_adg_api_592273639364681917_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB03f257a6ee709b00bf6975b6160dff8d&aa_adgroupid=2c8fc5d638240230733eb188b1e50934_PBSEP_!!!affid!!!_118045_&aa_creativeid=88c32XD8_bqrZXsP12hNcfXjKK5T_bxzk5EUvcyh17RBfZx14_c"}],"product":{"brand":"Grand patio- UK","evidence_url":"https://www.mainbuyer.com/evidence/products/grand-patio-garden-parasol-umbrella-cantilever-umbrella-with-base-8-ribs-crank-lift-operating-patio-umbrella-for-beach-pool-garden-outdoor-uv-5-b0b1hgmjpk/prices","gtin":null,"id":11841,"model_number":null,"name":"Grand patio Garden Parasol Umbrella,Cantilever Umbrella with Base, 8 Ribs, Crank Lift Operating, Patio Umbrella for Beach, Pool, Garden, Outdoor, UV 5","product_url":"https://www.mainbuyer.com/product/grand-patio-garden-parasol-umbrella-cantilever-umbrella-with-base-8-ribs-crank-lift-operating-patio-umbrella-for-beach-pool-garden-outdoor-uv-5-b0b1hgmjpk","urn":"MB-AWIN-GB-B0B1HGMJPK"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"259.98","historical_low":"259.98","last_observed_at":"2026-09-17T12:29:47+00:00","low_30d":"259.98","low_90d":"259.98","median_price":"259.98","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:47+00:00"}}