Is Post Holdings, Inc. overvalued or undervalued?

As of 31 October 2025, the valuation grade for Post Holdings, Inc. has moved from very attractive to attractive. The company is currently fairly valued. Key ratios include a P/E ratio of 22, an EV to EBITDA of 11.35, and a PEG ratio of 3.53. In comparison, The J. M. Smucker Co. has a P/E of 23.79, while Conagra Brands, Inc. stands out with a very attractive P/E of 8.91.
In terms of recent performance, Post Holdings has underperformed the S&P 500, with a year-to-date return of -9.20% compared to the S&P 500's 16.30%. This trend may suggest that the market is currently pricing the stock in line with its fundamentals, reinforcing the view that it is fairly valued.