Is Amphenol Corp. overvalued or undervalued?

As of 24 October 2025, the valuation grade for Amphenol Corp. moved from attractive to very attractive, indicating a strong positive outlook. The company appears undervalued, supported by a P/E ratio of 41, an EV to EBITDA of 27.11, and a Price to Book Value of 10.98. In comparison, Corning, Inc. is considered very expensive with a P/E of 107.91 and an EV to EBITDA of 42.50, highlighting Amphenol's relative valuation strength within the industry.
Additionally, Amphenol has demonstrated impressive returns, with a year-to-date stock return of 92.69% compared to the S&P 500's 15.47%, reinforcing the notion that the stock is undervalued. The company's strong ROE of 26.88% and ROCE of 23.22% further support its attractive valuation profile.