Is NB Bancorp, Inc. overvalued or undervalued?

As of 28 November 2025, the valuation grade for NB Bancorp, Inc. has moved from attractive to fair. The company appears to be fairly valued based on its current metrics. The P/E ratio stands at 14, while the Price to Book Value is 0.88, and the EV to EBIT is 6.22, indicating a reasonable valuation relative to its earnings and asset base.
In comparison to its peers, NB Bancorp's P/E ratio of 14 is slightly below the peer average of 14.51, suggesting it may not be significantly undervalued. Additionally, the company's ROCE of 13.07% and ROE of 6.23% reflect a stable performance, although these figures are modest compared to industry standards. Over the past month, NB Bancorp has returned 8.47%, outperforming the S&P 500's return of -0.61%, which reinforces its relative strength in the market despite a recent decline in the one-year return.