Is United States Lime & Minerals, Inc. overvalued or undervalued?

As of 7 July 2025, the valuation grade for United States Lime & Minerals, Inc. moved from fair to attractive, indicating a shift towards a more favorable assessment. The company appears to be undervalued based on its strong performance metrics, including a P/E ratio of 26, an EV to EBITDA of 17.44, and a remarkable ROCE of 59.64%.
When compared to peers, United States Lime & Minerals, Inc. has a higher P/E ratio than Eagle Materials, Inc. at 17.01, but is lower than Knife River Corp. at 29.41, suggesting it is competitively priced within its sector. The company's stock has outperformed the S&P 500 over the past year with a return of 43.15% compared to the index's 17.14%, reinforcing its attractive valuation narrative.