NBBK vs SSB: Correlation
Measured on weekly returns over the past three years, NB Bancorp, Inc. (NBBK) and SouthState Bank Corporation (SSB) carry a correlation of 0.77, a strong link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NBBK and SSB?
On 3 years of weekly data the NBBK/SSB correlation comes out at 0.77, strong. The relationship has been stable: the 1-year correlation (0.72) sits close to the 3-year figure. The 5-year figure is n/a, and annualized covariance runs at 586.2 %².
Few assets follow NBBK as closely as SSB, which ranks #1 of 17 tracked partners. On 12-month performance NBBK holds a 12.5-point edge, +19.3% against +6.8%.
How is this computed?
Pearson correlation on weekly returns: ρ(A,B) = cov(rA, rB) / (σA · σB), over windows of 52, 156 and 260 weeks. Covariance is annualized (×52) and expressed in %². Full definitions on the methodology page.
NBBK vs SSB: side by side
| NBBK (NB Bancorp, Inc.) | SSB (SouthState Bank Corporation) | |
|---|---|---|
| 1-year return | +19.3% | +6.8% |
| 5-year return | n/a | +76.5% |
| Volatility (ann.) | 27.6% | 28.6% |
| Beta vs S&P 500 | 0.84 | 0.95 |
| Max drawdown (3Y) | -24.7% | -27.6% |
| Market cap | $1.0B | $10.3B |
| P/E (trailing) | 14.7 | 11.2 |
| Dividend yield | 4.39% | 2.26% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NBBK | SSB |
|---|---|---|
| 2022 | – | -2.4% |
| 2023 | – | +13.8% |
| 2024 | +34.3% | +20.7% |
| 2025 | +10.6% | -3.1% |
| 2026 | +13.9% | +14.7% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NBBK and SSB good diversifiers for each other?
Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.
FAQ
What is the correlation between NBBK and SSB?
As of 2026-08-27, the correlation of weekly returns between NBBK and SSB is 0.77 over 3 years, 0.72 over 1 year and n/a over 5 years.
Is SSB a good diversifier for NBBK?
Somewhat, no more. With 0.77 correlation, most large moves hit both names, and the diversification benefit stays modest.
What does a correlation of 0.77 mean?
A reading of 0.77 sits on a scale from −1 (opposite moves) through 0 (unrelated) to +1 (identical moves). Correlation captures direction, not magnitude or performance.
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Related comparisons
Hubs: NBBK correlations · SSB correlations
