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. Key valuation ratios highlight this stance, with a P/E ratio of 94, a Price to Book Value of 8.61, and an EV to EBITDA of 33.00, all suggesting that the stock is trading at a premium compared to its fundamentals.
In comparison to its peers, Corning's P/E ratio of 94 significantly exceeds that of Amphenol Corp., which has a P/E of 41.01, further supporting the conclusion of overvaluation. Additionally, while Corning has shown impressive returns year-to-date at 70.58%, this is notably higher than the S&P 500's return of 14.49%, but the recent one-week and one-month performances indicate a decline, with returns of -8.47% and -4.06%, respectively.