Is ACNB Corp. overvalued or undervalued?

As of 30 June 2025, ACNB Corp. has moved from an expensive to a fair valuation grade. The company appears fairly valued based on its current metrics, with a P/E ratio of 13, a Price to Book Value of 1.17, and an EV to EBITDA of 14.34. In comparison to peers, Peoples Financial Services Corp. has a more attractive P/E ratio of 10.84, while Carter Bankshares, Inc. is rated attractive with a P/E of 14.43.
In terms of recent performance, ACNB Corp. has outperformed the S&P 500 over the year with a return of 7.32% compared to the S&P's 17.14%. However, over the longer term, the company's 5-year return of 112.07% is notably higher than the S&P 500's 96.61%, suggesting a strong performance relative to the benchmark in that timeframe.