This study aims to analyze the impact of liquidity, activity, and solvency on the profitability of construction companies listed on the Indonesia Stock Exchange (IDX). The study employs a quantitative approach using panel data regression analysis. The research population consists of construction companies listed on the IDX, with the sample selected using a purposive sampling technique. Secondary data obtained from the companies' annual financial reports for the 2020–2024 period were analyzed using EViews software. The test results indicate that liquidity has a positive and significant effect on profitability. Activity also has a positive and significant effect on profitability. Solvency has a significant effect on profitability. Simultaneously, liquidity, activity, and solvency significantly influence the profitability of construction companies. However, the coefficient of determination indicates that the contribution of these three variables in explaining the variation in profitability is relatively low. These findings support signaling theory, which posits that financial ratios serve as signals for investors in assessing a company's financial performance.
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