Is Corning, Inc. overvalued or undervalued?

As of 7 November 2025, the valuation grade for Corning, Inc. has moved from expensive to fair. Based on the current metrics, the company appears to be fairly valued. Key ratios include a P/E ratio of 94, a Price to Book Value of 8.61, and an EV to EBITDA of 33.00. In comparison, Amphenol Corp. has a more attractive P/E ratio of 41.01, indicating that Corning is trading at a premium relative to some peers.
Corning's recent stock performance has been strong, with a year-to-date return of 86.36%, significantly outperforming the S&P 500's return of 14.40% over the same period. This suggests that while the stock may be fairly valued, it is currently enjoying positive momentum in the market.