Is Plexus Corp. overvalued or undervalued?

As of 24 October 2025, the valuation grade for Plexus Corp. has moved from attractive to very attractive, indicating a stronger position in the market. The company appears to be undervalued, given its P/E ratio of 46, which is higher than the peer average of approximately 44.93 for similar companies like Littelfuse, Inc. and Universal Display Corp., which have P/E ratios of 30.08 and 28.20, respectively. Additionally, Plexus Corp. has an EV to EBITDA ratio of 24.32, which is also above the peer average, suggesting that the company may be undervalued relative to its earnings potential.
Despite recent stock performance showing a 1-week decline of 3.10% compared to a 1.92% gain in the S&P 500, Plexus Corp. has demonstrated strong long-term growth with a 3-year return of 52.70%, although it lags behind the S&P 500's 78.85% over the same period. With a ROCE of 16.79% and ROE of 11.35%, Plexus Corp. showcases solid profitability metrics that further support its attractive valuation.