Is RPM International, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for RPM International, Inc. moved from expensive to fair, indicating a more favorable assessment. The company appears fairly valued based on its current metrics, with a P/E ratio of 24, a Price to Book Value of 6.20, and an EV to EBITDA of 17.23. In comparison to peers, RPM's P/E ratio is lower than PPG Industries, which stands at 47.25, suggesting it is more attractively priced relative to its earnings.
Despite the fair valuation, RPM has underperformed against the S&P 500 over multiple periods, with a year-to-date return of -8.83% compared to the S&P 500's 13.30%. This trend continues over one year, where RPM's return of -15.99% lags behind the index's 14.08%. Overall, while the valuation metrics indicate a fair price, the company's recent performance raises concerns about its growth relative to broader market trends.