Is Corning, Inc. overvalued or undervalued?

As of 14 November 2025, the valuation grade for Corning, Inc. has moved from fair to expensive, indicating that the stock is overvalued. The company exhibits a P/E ratio of 94, a Price to Book Value of 8.61, and an EV to EBITDA of 33.00, all of which suggest a premium valuation compared to its peers. In comparison, Amphenol Corp., a peer in the electronics and appliances industry, has a significantly lower P/E ratio of 41.01, highlighting the relative overvaluation of Corning.
Despite a strong year-to-date return of 72.69% compared to the S&P 500's 14.49%, the current valuation metrics indicate that Corning, Inc. is not justified at its current price level. The high PEG ratio of 2.97 further emphasizes concerns about growth expectations relative to its price. Overall, Corning appears to be overvalued in the current market environment.