BIRD vs NSTS: Correlation
Measured on weekly returns over the past three years, Smartbird, Inc. (BIRD) and NSTS Bancorp, Inc. (NSTS) carry a correlation of 0.32, a moderate link.
Data as of 2026-08-27 · refreshed every trading day · weekly returns · methodology
How correlated are BIRD and NSTS?
Over the past 3 years, BIRD and NSTS moved with a correlation of 0.32, which is moderate. Lately the two have moved closer together, with the 1-year correlation at 0.61 versus 0.32 over 3 years. Over 5 years the correlation is 0.31, and the annualized covariance of weekly returns is 1352.5 %².
Within BIRD's tracked universe of 17 assets, NSTS comes in at #11 by 3-year correlation. The last year tells two different stories: NSTS led by 69.3 percentage points, -51.4% for BIRD against +17.9% for NSTS. One caveat on sizing: BIRD is 11.9 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.
BIRD vs NSTS: side by side
| BIRD (Smartbird, Inc.) | NSTS (NSTS Bancorp, Inc.) | |
|---|---|---|
| 1-year return | -51.4% | +17.9% |
| 5-year return | -99.5% | +11.4% |
| Volatility (ann.) | 225.6% | 19.0% |
| Beta vs S&P 500 | 3.94 | 0.01 |
| Max drawdown (3Y) | -92.3% | -18.5% |
| Market cap | – | $0.1B |
| P/E (trailing) | – | – |
| Dividend yield | 0.00% | 0.00% |
| Sector / category | US Listed | US Listed |
Year-by-year returns
| Year | BIRD | NSTS |
|---|---|---|
| 2022 | -84.0% | – |
| 2023 | -49.4% | -6.1% |
| 2024 | -71.6% | +24.1% |
| 2025 | -41.2% | +9.7% |
| 2026 | -22.7% | +8.3% |
Calendar-year price returns; the current year is year-to-date as of the data date above.
Are BIRD and NSTS good diversifiers for each other?
Reasonably. At 0.32, BIRD and NSTS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
FAQ
What is the correlation between BIRD and NSTS?
The BIRD/NSTS correlation stands at 0.32 on a 3-year window (1 year: 0.61, 5 years: 0.31), computed from weekly returns as of 2026-08-27.
Is NSTS a good diversifier for BIRD?
Reasonably. At 0.32, BIRD and NSTS keep a meaningful degree of independence, and combining them has historically reduced portfolio volatility.
What does a correlation of 0.32 mean?
On the −1 to +1 scale, 0.32 describes how much the two returns move together: +1 is lockstep, 0 is independence, negative values mean opposite directions. It says nothing about which performed better.
Use this data
$ curl https://www.pairbook.io/api/v1/pairs/bird-vs-nsts.json
Drop this badge in a README or notebook; it updates with the data:
[](https://www.pairbook.io/pair/bird-vs-nsts/)
No key needed, free to use. Full endpoint list in the API documentation.
Related comparisons
Hubs: BIRD correlations · NSTS correlations
