{"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":"2026-09-17T12:30:22+00:00","price":"39.99","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B0BN5XR8H1?maas=maas_adg_api_578847930618803614_static_12_45&ref_=aa_maas&tag=maas&aa_campaignid=67a0e87df23c0dcce525cc77aa04ed68&aa_adgroupid=c0b55f9ece2a58485e6021ddd6f044d8_PBSEP_!!!affid!!!_118045_&aa_creativeid=f1c9rlB9_bEEDD4ieIebRAq3PxwVx2DQoHn5CVOueP7FcQ3c_c"}],"product":{"brand":"Odoland_AV-UK","evidence_url":"https://mail.mainbuyer.com/evidence/products/snorkel-set-for-adults-anti-fog-diving-mask-with-dry-top-snorkel-swim-fins-wide-view-scuba-flippers-snorkeling-gear-for-men-women-youth-b0bn5xr8h1/prices","gtin":null,"id":12559,"model_number":null,"name":"Snorkel Set for Adults, Anti-Fog Diving Mask with Dry Top Snorkel & Swim Fins, Wide View Scuba Flippers Snorkeling Gear for Men Women Youth","product_url":"https://mail.mainbuyer.com/product/snorkel-set-for-adults-anti-fog-diving-mask-with-dry-top-snorkel-swim-fins-wide-view-scuba-flippers-snorkeling-gear-for-men-women-youth-b0bn5xr8h1","urn":"MB-AWIN-GB-B0BN5XR8H1"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"39.99","historical_low":"39.99","last_observed_at":"2026-09-17T12:30:22+00:00","low_30d":"39.99","low_90d":"39.99","median_price":"39.99","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:30:22+00:00"}}