{"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":"2026-09-17T12:28:55+00:00","price":"149.00","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F66LNB8D?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=412ff9ac3671fc721b39248631d3f6b2&aa_adgroupid=b2b6f19c3ade03121f428a3e52422919_PBSEP_!!!affid!!!_118045_&aa_creativeid=87b4NApb5WbK3enmvUixNUhS_aWh430Rmo25O3X4yiGPKcrA_c"}],"product":{"brand":"UK-Anker","evidence_url":"https://mail.mainbuyer.com/evidence/products/anker-prime-power-bank-26-250mah-300w-fast-charging-b0f66lnb8d/prices","gtin":null,"id":10256,"model_number":null,"name":"Anker Prime Power Bank, 26,250mAh 300W Fast Charging","product_url":"https://mail.mainbuyer.com/product/anker-prime-power-bank-26-250mah-300w-fast-charging-b0f66lnb8d","urn":"MB-AWIN-GB-B0F66LNB8D"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"149.00","historical_low":"149.00","last_observed_at":"2026-09-17T12:28:55+00:00","low_30d":"149.00","low_90d":"149.00","median_price":"149.00","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:28:55+00:00"}}