Is Preformed Line Products Co. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Preformed Line Products Co. has moved from attractive to expensive. The company appears to be overvalued based on its current metrics, including a P/E ratio of 26, a Price to Book Value of 2.31, and an EV to EBITDA of 13.58. In comparison to peers, SPX Technologies, Inc. has a significantly higher P/E ratio of 45.73, while Tecnoglass, Inc. is more attractively valued with a P/E of 18.48.
Despite its overvaluation, Preformed Line Products Co. has demonstrated strong performance, with a year-to-date return of 76.54% compared to the S&P 500's 13.30%. This substantial outperformance may reflect investor optimism, but the current valuation metrics suggest caution for potential investors.