Is The Simply Good Foods Co. overvalued or undervalued?

As of 17 October 2025, the valuation grade for The Simply Good Foods Co. has moved from fair to very expensive. The company appears to be overvalued based on its current metrics, with a P/E ratio of 21, a Price to Book Value of 1.85, and an EV to EBITDA of 13.39. In comparison, its peers such as Campbell Soup Co. and Lamb Weston Holdings, Inc. have lower P/E ratios of 13.36 and 15.03, respectively, indicating that The Simply Good Foods Co. is trading at a premium relative to its industry.
Despite a recent one-week stock return of 2.38% compared to the S&P 500's 1.70%, the longer-term performance shows a concerning trend, with a year-to-date return of -36.99% versus the S&P 500's 13.30%. This significant underperformance over multiple periods further reinforces the assessment that the company is overvalued in the current market environment.