The Theil index offers a powerful tool for market analysis, capturing income inequality within markets. By evaluating market disparities, stakeholders gain insights for strategic decision-making. With a focus on market efficiency, the Theil index serves as a key indicator for identifying areas of improvement. Additionally, it highlights distribution patterns, aiding in targeted interventions to enhance market performance. Through its application, the index enables market participants to understand competitive dynamics and customer behaviors, supporting informed business strategies. Its utilization in market analysis helps businesses adapt to changing market conditions, fostering sustainable growth and competitiveness. The Theil index serves as a vital instrument for market players seeking to maximize market opportunities effectively and equitably.