Is Sierra Bancorp overvalued or undervalued?

As of 3 October 2025, the valuation grade for Sierra Bancorp has moved from attractive to fair. Based on the current metrics, the company appears to be fairly valued. Key ratios include a P/E ratio of 9, a Price to Book Value of 1.08, and a PEG ratio of 0.56, which suggests that the stock may not be significantly undervalued compared to its peers. In comparison to its peers, Guaranty Bancshares, Inc. has a P/E ratio of 18.33, indicating a more expensive valuation, while Peoples Financial Services Corp. has a P/E of 10.84, which is closer to Sierra Bancorp's valuation. Notably, Sierra Bancorp's recent stock performance has lagged behind the S&P 500, with a 1-year return of 5.03% compared to the S&P 500's 17.82%, reinforcing the notion that the stock is fairly valued in the current market context.