Is Owens Corning overvalued or undervalued?

As of 17 October 2025, the valuation grade for Owens Corning has moved from expensive to fair, indicating a more favorable assessment of its stock price. The company appears to be fairly valued at this time. Key valuation ratios include a P/E ratio of 13, an EV to EBITDA of 7.82, and a Price to Book Value of 3.30, which suggest that the stock is reasonably priced compared to its earnings and book value.
In comparison to its peers, Owens Corning's P/E ratio of 13 is lower than that of Ball Corp. at 38.35 and Avery Dennison Corp. at 28.96, indicating it may offer better value relative to these companies. Additionally, its EV to EBITDA ratio is competitive when compared to Crown Holdings, Inc. at 10.30. Despite recent underperformance, with a 1Y return of -32.26% compared to the S&P 500's 14.08%, the long-term outlook remains positive, as evidenced by a 3Y return of 54.02% versus the S&P 500's 81.19%.