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, indicating a shift toward overvaluation. The company appears overvalued based on key metrics, including a P/E ratio of 26, a Price to Book Value of 2.31, and an EV to EBITDA ratio of 13.58. In comparison, peers such as SPX Technologies, Inc. have a significantly higher P/E of 45.73, while Tecnoglass, Inc. shows a more favorable EV to EBITDA of 12.02, highlighting the relative expense of Preformed Line Products.
Despite its overvaluation, Preformed Line Products Co. has delivered impressive returns, with a year-to-date return of 76.54% compared to the S&P 500's 13.30%, and a three-year return of 203.06% against the S&P 500's 81.19%. This strong performance may suggest that the market has high expectations for the company's future growth, yet the current valuation metrics indicate it may be priced too high relative to its peers.