Is Glatfelter Corp. overvalued or undervalued?

As of 3 May 2022, the valuation grade for Glatfelter Corp. moved from very expensive to risky, indicating a significant shift in its perceived value. The company is currently assessed as overvalued. Key ratios include a Price to Book Value of 0.43, an EV to EBITDA of 10.88, and a ROCE of only 2.12%.
In comparison to its peers, Glatfelter Corp. has a P/E ratio of -6.39, while Clearwater Paper Corp. and Mativ Holdings, Inc. have P/E ratios of -20.10 and -31.99, respectively. This suggests that Glatfelter's valuation is not justified when compared to its industry peers. Additionally, the company's stock has underperformed significantly against the S&P 500, with a year-to-date return of -32.75% compared to the index's 2.44%.