Is Atkore, Inc. overvalued or undervalued?

As of 17 October 2025, Atkore, Inc. has moved from an attractive to a fair valuation grade. The company appears to be fairly valued based on its current metrics. Key ratios include a P/E ratio of 7, an EV to EBITDA of 4.88, and a Price to Book Value of 1.64, which suggest that the stock is reasonably priced relative to its earnings and book value.
In comparison to its peers, Atkore's P/E ratio of 8.34 is lower than that of Lumentum Holdings, Inc., which is considered expensive at 172.90, and higher than Acuity Brands, Inc., which has a fair valuation at 38.19. The EV to EBITDA ratio of 5.29 for Atkore is also more favorable than that of Lumentum, indicating better value relative to earnings before interest, taxes, depreciation, and amortization. Despite recent challenges reflected in its year-to-date return of -21.87%, Atkore outperformed the S&P 500's return of 13.30% during the same period, reinforcing its relative strength in the market.