NB Bancorp, Inc. Common Stock (NBBK) P/E Ratio History
UndervaluedTrading at 15.9x vs 5Y avg 29.8x · 50th percentile · Below historical baseline · Data 2023–2026
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P/E Ratio Analysis
As of June 25, 2026, NB Bancorp, Inc. Common Stock (NBBK) trades at a price-to-earnings ratio of 15.9x, with a stock price of $21.01 and trailing twelve-month earnings per share of $1.27.
The current P/E is 47% below its 5-year average of 29.8x. Over the past five years, NBBK's P/E has ranged from a low of 11.4x to a high of 58.5x, placing the current valuation at the 50th percentile of its historical range.
Compared to the Financial Services sector median P/E of 14.0x, NBBK is roughly in line with its sector peers. The sector includes 801 companies with P/E ratios ranging from 0.0x to 168.2x.
Relative to the broader market, NBBK trades at a notable discount to the S&P 500 median P/E of 24.7x. Investors should consider the company's growth prospects, competitive position, and earnings quality when evaluating whether the current valuation is justified.
For a comprehensive intrinsic value estimate using discounted cash flow analysis, see our NBBK DCF Valuation Calculator →
Note: P/E ratio is just one valuation metric. It does not account for balance sheet strength, cash flow quality, or growth sustainability. Always conduct comprehensive due diligence before making investment decisions.
NBBK Cross-Benchmark Valuation
How does the current P/E compare to sector peers and the broader market?
NBBK P/E vs Peers
Commercial real estate and multifamily lenders peers sorted by market cap
| Company | Market Cap | P/E Ratio | PEG Ratio | EPS Growth (1Y) |
|---|---|---|---|---|
| $3B | 14.6 | 2.08 | +13% | |
| $4B | 18.8 | 4.59 | -2% | |
| $1B | 13.1 | 1.29 | +18% | |
| $371M | 8.2Lowest | 0.24Best | -8% | |
| $1B | 16.0 | 5.75 | -29% | |
| $609M | 736.4 | - | -97% | |
| $2B | 16.8 | 2.63 | +331%Best | |
| $4B | 15.1 | 0.86 | +15% | |
| $359M | 23.8 | - | -37% |
Lower P/E can signal a discount or weaker growth expectations; PEG adds growth context.
NBBK Historical P/E Data (2023–2026)
Quarterly P/E ratios calculated from closing price and TTM EPS
| Quarter | Period End | Price | TTM EPS | P/E Ratio | vs Avg |
|---|---|---|---|---|---|
| FY2026 Q1 | - | $21.07 | $1.37 | 15.4x | -48% |
| FY2025 Q4 | Dec 31 2025 | $19.82 | $1.34 | 14.8x | -50% |
| FY2025 Q3 | - | $17.65 | $1.55 | 11.4x | -62% |
| FY2025 Q2 | Jun 30 2025 | $17.86 | $1.33 | 13.4x | -55% |
| FY2025 Q1 | Mar 31 2025 | $18.07 | $1.18 | 15.3x | -49% |
| FY2024 Q4 | - | $18.06 | $1.07 | 16.9x | -43% |
| FY2024 Q3 | Sep 30 2024 | $18.56 | $0.35 | 53.0x | +78% |
| FY2024 Q2 | Jun 30 2024 | $15.08 | $0.34 | 44.4x | +49% |
| FY2024 Q1 | Mar 31 2024 | $13.66 | $0.25 | 54.6x | +84% |
| FY2023 Q4 | Dec 31 2023 | $13.45 | $0.23 | 58.5x | +96% |
Average P/E for displayed period: 29.8x
Intrinsic Valuation
DCF models, multiple analysis, and analyst estimates.
Historical Returns
3+ years return with dividends reinvested.
DCA Calculator
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Peer Comparison
Compare growth, multiples, and margins vs sector.
NBBK — Frequently Asked Questions
Quick answers to the most common questions about buying NBBK stock.
What is NBBK's P/E ratio?
NB Bancorp, Inc. Common Stock (NBBK) trailing twelve-month P/E ratio is 15.9x, based on TTM diluted EPS of $1.27. The 5-year average P/E is 29.8x and the historical range spans 11.4x to 58.5x.
Is NBBK stock overvalued or undervalued?
NBBK trades at 15.9x P/E, below its 5-year average of 29.8x. At the 50th percentile of its historical range (11.4x–58.5x), the stock is priced at a discount to its own history.
Is NBBK stock expensive?
No, NBBK is not expensive on a historical basis. The current P/E of 15.9x is below the 5-year average of 29.8x and sits at the 50th percentile of its valuation range.
What is NBBK's historical P/E range?
Over the past 5 years, NBBK's P/E ratio has ranged from 11.4x to 58.5x, with a median of 16.9x and an average of 29.8x. The current P/E of 15.9x places the stock at the 50th percentile of this range. Full historical data spans 2023–2026.
How does NBBK's P/E compare to the S&P 500?
NBBK trades at 15.9x P/E versus the S&P 500 median of 24.7x. The 36% discount to the market suggests lower growth expectations or perceived higher risk.
How does NBBK's valuation compare to Financial Services peers?
NB Bancorp, Inc. Common Stock P/E of 15.9x compares to the Financial Services sector median of 14.0x. The premium reflects expected growth above peers or stronger fundamentals. See the peer comparison table on this page for ticker-by-ticker P/E and PEG.
What is NBBK's PEG ratio?
NBBK PEG ratio is N/A, based on a P/E of 15.9x and EPS growth of 23.4%. PEG normalises P/E by growth and helps compare stocks with different earnings trajectories.
What is NBBK's earnings yield?
NBBK earnings yield is 6.28%, the inverse of its 15.9x P/E ratio. Earnings yield represents the percentage of each dollar invested that the company earns. It can be compared directly to bond yields to assess relative attractiveness of stocks versus fixed income.