{"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":"2026-09-17T12:28:48+00:00","price":"8.48","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08CRT4LQ4?maas=maas_adg_api_593518224354085077_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBa8edcc8a0dd354ab1fb1208bcce61a22&aa_adgroupid=141044c8fef6acb20b1c2d5528a257de_PBSEP_!!!affid!!!_118045_&aa_creativeid=e310WAyQRrdYSNTZ9B9Wo7EGajoh0NLzNAXBUhR4f_apVARo_c"}],"product":{"brand":"Lepro UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/lepro-r50-e14-led-light-bulb-warm-white-2700k-4-9w-40w-470lm-pack-of-5-b08crt4lq4/prices","gtin":null,"id":9987,"model_number":null,"name":"Lepro R50 E14 LED Light Bulb, Warm White 2700K, 4.9W=40W, 470LM, Pack of 5","product_url":"https://mail.mainbuyer.com/product/lepro-r50-e14-led-light-bulb-warm-white-2700k-4-9w-40w-470lm-pack-of-5-b08crt4lq4","urn":"MB-AWIN-GB-B08CRT4LQ4"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"8.48","historical_low":"8.48","last_observed_at":"2026-09-17T12:28:48+00:00","low_30d":"8.48","low_90d":"8.48","median_price":"8.48","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:48+00:00"}}