{"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":"2026-09-17T12:28:35+00:00","price":"19.98","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0GW15YSTG?maas=maas_adg_api_593518224354085077_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBa8edcc8a0dd354ab1fb1208bcce61a22&aa_adgroupid=25d433e4552c3e631732d10657b7715b_PBSEP_!!!affid!!!_118045_&aa_creativeid=434f3_avE6_aJlCI3zG2ZoEnPxjzQqRUWZH04yRSI10D_at_bJk_c"}],"product":{"brand":"Lepro UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/lepro-e14-led-light-bulb-small-screw-light-bulb-4-2w-470lm-40w-equivalent-warm-white-2700k-e14-golf-ball-bulb-energy-saving-p45-ses-golfball-bulb-b0gw15ystg/prices","gtin":null,"id":9561,"model_number":null,"name":"Lepro E14 LED Light Bulb, Small Screw Light Bulb, 4.2W 470lm, 40W Equivalent, Warm White 2700K E14 Golf Ball Bulb, Energy Saving P45 SES Golfball Bulb","product_url":"https://mail.mainbuyer.com/product/lepro-e14-led-light-bulb-small-screw-light-bulb-4-2w-470lm-40w-equivalent-warm-white-2700k-e14-golf-ball-bulb-energy-saving-p45-ses-golfball-bulb-b0gw15ystg","urn":"MB-AWIN-GB-B0GW15YSTG"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.98","historical_low":"19.98","last_observed_at":"2026-09-17T12:28:35+00:00","low_30d":"19.98","low_90d":"19.98","median_price":"19.98","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:35+00:00"}}