A dataset of aggregated daily sales of products in medium-sized supermarkets in western Paraná (2019–2024)

This dataset presents daily aggregated sales data from two supermarkets in western Paraná, Brazil, covering the period from 2019 to 2024. The research hypothesis underlying this dataset is that sales performance is influenced by various factors, including promotions, seasonality, and special calendar events such as holidays. By analyzing this data, researchers can assess how pricing strategies, discount applications, and consumer behavior fluctuate over time.