{"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":"2026-10-03T19:11:59+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0C6XK77HJ?maas=maas_adg_api_588563440394542563_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PB412ff9ac3671fc721b39248631d3f6b2&aa_adgroupid=f1b2e72152044037471a9f31d94d5b6e_PBSEP_!!!affid!!!_118045_&aa_creativeid=05922pbo8YG8AFWKHKxt9a1A54CTdYh0_bDat3UgfCSV3XjA_c"}],"product":{"brand":"UK-Anker","evidence_url":"https://mail.mainbuyer.com/evidence/products/anker-nano-power-bank-5-000mah-portable-charger-built-in-usb-c-connector-b0c6xk77hj/prices","gtin":null,"id":15817,"model_number":null,"name":"Anker Nano Power Bank,5,000mAh Portable Charger, Built-In USB-C Connector","product_url":"https://mail.mainbuyer.com/product/anker-nano-power-bank-5-000mah-portable-charger-built-in-usb-c-connector-b0c6xk77hj","urn":"MB-AWIN-GB-B0C6XK77HJ"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-10-03T19:11:59+00:00","low_30d":"19.99","low_90d":"19.99","median_price":"19.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-10-03T19:11:59+00:00"}}