NBBK vs VXX: Correlation
NB Bancorp, Inc. (NBBK) and iPath Series B S&P 500 VIX Short-Term Futures ETN (VXX) show a negative relationship: their 3-year correlation of weekly returns is -0.54.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are NBBK and VXX?
Over the past 3 years, NBBK and VXX moved with a correlation of -0.54, which is negative, meaning they tend to move in opposite directions. Lately the two have moved closer together, with the 1-year correlation at -0.25 versus -0.54 over 3 years. Over 5 years the correlation is n/a, and the annualized covariance of weekly returns is -919.5 %².
Out of 17 assets tracked against NBBK, VXX lands near the bottom at #16. The last year tells two different stories: NBBK led by 69.0 percentage points, +19.3% for NBBK against -49.7% for VXX. One caveat on sizing: VXX is 2.2 times as volatile as the other leg, so an equal-dollar split is far from equal-risk.
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 VXX: side by side
| NBBK (NB Bancorp, Inc.) | VXX (iPath Series B S&P 500 VIX Short-Term Futures ETN) | |
|---|---|---|
| 1-year return | +19.3% | -49.7% |
| 5-year return | n/a | -95.6% |
| Volatility (ann.) | 27.6% | 60.9% |
| Beta vs S&P 500 | 0.84 | -3.31 |
| Max drawdown (3Y) | -24.7% | -83.3% |
| Market cap | $1.0B | – |
| P/E (trailing) | 14.7 | – |
| Dividend yield | 4.39% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | NBBK | VXX |
|---|---|---|
| 2022 | – | -23.8% |
| 2023 | – | -72.5% |
| 2024 | +34.3% | -26.2% |
| 2025 | +10.6% | -42.2% |
| 2026 | +13.9% | -31.6% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are NBBK and VXX good diversifiers for each other?
Yes. With a correlation of -0.54, NBBK and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
FAQ
What is the correlation between NBBK and VXX?
The NBBK/VXX correlation stands at -0.54 on a 3-year window (1 year: -0.25, 5 years: n/a), computed from weekly returns as of 2026-08-27.
Is VXX a good diversifier for NBBK?
Yes. With a correlation of -0.54, NBBK and VXX have moved largely independently, which makes them a genuinely diversifying pair by historical standards.
What does a correlation of -0.54 mean?
Correlation ranges from −1 to +1. Values near +1 mean two assets move together, near 0 that they move independently, and negative values that they tend to move in opposite directions. It measures co-movement, not performance.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/nbbk-vs-vxx.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/nbbk-vs-vxx/)
Free with attribution; caching and terms are described in the API documentation.
Related comparisons
Hubs: NBBK correlations · VXX correlations
