Marketplace Sales & Margin Analysis
Konrad Sobek
Marketplace Sales & Margin Analysis created as a portfolio demo project.
The analysis compares marketplace performance across Allegro, Amazon and Empik using illustrative sales data.
It includes:
revenue and net profit by marketplace,
product-level margin analysis,
marketplace fee impact,
advertising cost analysis,
return cost impact,
sales volume comparison,
profitability by product,
identification of the strongest sales channels.
The goal of the project is to show how marketplace data can be turned into clear business insights for pricing, listing optimization and profitability decisions.
This is a portfolio demonstration project based on illustrative data.
Tools: Microsoft Excel, data analysis, e-commerce profitability modeling.
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Posted Sep 27, 2026
Marketplace Sales & Margin Analysis created as a portfolio demo project. The analysis compares marketplace performance across Allegro, Amazon and Empik using...
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Sep 27, 2026 - Sep 27, 2026
