{"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":"2026-09-17T12:29:25+00:00","price":"18.66","retailer":"Amazon UK","source_kind":"offer_check","source_url":"https://www.amazon.co.uk/dp/B08DP2Q1M9?maas=maas_adg_api_592388559938624374_static_12_201&ref_=aa_maas&tag=maas&aa_campaignid=0a643cf523b775142609495fd9d7916d&aa_adgroupid=945660b1083c3413d523510fcc2492b0_PBSEP_!!!affid!!!_118045_&aa_creativeid=8fc533MLxj_aSbCICK0A32srhSGsiD44iI4Cjh09bGu5mMuM_c"}],"product":{"brand":"TP-Link UK","evidence_url":"https://www.mainbuyer.com/evidence/products/tp-link-tl-sm321a-2-1000base-bx-wdm-bidirectional-sfp-module-b08dp2q1m9/prices","gtin":null,"id":11177,"model_number":null,"name":"TP-Link TL-SM321A-2, 1000Base-BX WDM Bidirectional SFP Module","product_url":"https://www.mainbuyer.com/product/tp-link-tl-sm321a-2-1000base-bx-wdm-bidirectional-sfp-module-b08dp2q1m9","urn":"MB-AWIN-GB-B08DP2Q1M9"},"summary":{"currency_code":"GBP","currency_symbol":"\u00a3","has_history":true,"historical_high":"18.66","historical_low":"18.66","last_observed_at":"2026-09-17T12:29:25+00:00","low_30d":"18.66","low_90d":"18.66","median_price":"18.66","observation_count":1,"priced_observation_count":1,"retailer_count":1,"span_days":0,"tracked_since":"2026-09-17T12:29:25+00:00"}}