Is Simpson Manufacturing Co., Inc. overvalued or undervalued?

As of 17 October 2025, the valuation grade for Simpson Manufacturing Co., Inc. has moved from fair to very expensive, indicating that the stock is overvalued. Key valuation ratios include a P/E ratio of 22, a Price to Book Value of 3.52, and an EV to EBITDA of 12.96. When compared to peers, Simpson's P/E ratio is lower than SPX Technologies, Inc. at 45.73 but higher than A. O. Smith Corp. at 26.10, suggesting a mixed relative valuation position.
Despite a recent 1-week stock return of 4.86%, outperforming the S&P 500's 1.70%, the longer-term performance shows a decline with a 1-year return of -9.33% compared to the S&P 500's 14.08%. This trend reinforces the notion that Simpson Manufacturing Co., Inc. is currently overvalued in the market.