{"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":"2026-10-03T19:11:40+00:00","price":"19.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0F844QXZF?maas=maas_adg_api_581733982649029179_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=PBf6fe09ea34078ab66f9174829edda80a&aa_adgroupid=ad631fd056ffd2b45970f01e5259b883_PBSEP_!!!affid!!!_118045_&aa_creativeid=bc80dgvz2w_bR0D1P_afjFrd_bAFHg2SOtPJmmi_aOUojxuOvc0_c"}],"product":{"brand":"Renpho - UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/massage-gun-electric-muscle-massager-deep-tissue-percussion-device-b0f844qxzf/prices","gtin":null,"id":15492,"model_number":null,"name":"Massage Gun, Electric Muscle Massager, Deep Tissue Percussion Device","product_url":"https://mail.mainbuyer.com/product/massage-gun-electric-muscle-massager-deep-tissue-percussion-device-b0f844qxzf","urn":"MB-AWIN-GB-B0F844QXZF"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"19.99","historical_low":"19.99","last_observed_at":"2026-10-03T19:11:40+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":"2026-10-03T19:11:40+00:00"}}