Is Silgan Holdings, Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Silgan Holdings, Inc. has moved from very expensive to fair. Based on the current metrics, the company appears to be fairly valued. The P/E ratio stands at 26, while the EV to EBITDA ratio is 15.11, and the Price to Book Value is 4.47, indicating a reasonable valuation relative to its earnings and asset base.
In comparison to its peers, Silgan Holdings has a P/E ratio higher than Owens Corning at 15.01 and lower than AptarGroup, Inc. at 24.45, suggesting it is positioned in the middle of its competitive landscape. Additionally, its PEG ratio of 2.73 indicates that the stock may be slightly overvalued in terms of growth expectations compared to its earnings growth. Notably, while Silgan Holdings has shown a 5-year return of 8.74%, it has underperformed the S&P 500 significantly over the same period, which returned 91.29%, reinforcing the notion that the stock may not be the best investment at this time.