Flash ReportAmazon Prime Day 2020: Implied GMV of Around $6 Billion as Third-Party Sales Jump 60% Coresight Research October 16, 2020 Reasons to ReadWe discuss the metrics that Amazon released for Prime Day 2020, following the October 13–14 event. Amazon disclosed total sales by third-party sellers and reported very strong growth in third-party sales. From Amazon’s data points, we provide an estimate of Amazon’s total gross merchandise volume (GMV) on Prime Day 2020. Amazon reported top-selling categories for selected countries, including the US, the UK and China. Click here to read further Coresight Research coverage of Amazon Prime Day, including from past years. This report is available for free and can be accessed by registering for a free account. Please Login to read the full report. Not a member? To access this content for free, register for a free account. This document was generated for Other research you may be interested in: 2026 Sector Outlook: US Grocery Retailing—Volume Growth To Remain Constrained amid Cautious Consumer SpendingAnalyst Corner: US Shoppers Are Worried About Higher Prices from Tariffs—Consumer Survey Insights with John MercerWeekly UK Store Openings and Closures Tracker 2025, Week 23: Aldi and Topshop To Open StoresEarnings Insights 4Q24, Week 3: Gucci Sales Slump 21%, Plus Updates from Ahold, Amazon, Coty and More